Main Math, C# - rextester

Main Math

Language: Layout:

//Rextester.Program.Main is the entry point for your code. Don't change it.
//Compiler version 4.0.30319.17929 for Microsoft (R) .NET Framework 4.5

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text.RegularExpressions;
using ShuffleExtension;

namespace Rextester
{

public class Program {
        
        private static readonly Random rand = new Random();
        public int ratio1;
        public int ratio2;
        public int ratio3;
        public int num1, num2, num3;
        
        public static void Main(String[] args){
            //SimplifyRatio sr = new SimplifyRatio(2,4,8);
            //Console.WriteLine(sr.ratio1+":"+sr.ratio2+":"+sr.ratio3);
            /*SimplifyRatio(4,10,32);
            Div(1,Fraction(1,2));
            LCM(12,6);
            LCM(6,7);
            LCM(2,3);
            
            Div(1,10);
            */
            //LCM(8,12);
            
            //showFraction(2,3);
            //makeDivQ(500,999,10,99);
            //addLineBreak(30,2108);
            //makeDivQ(1000,9999,1,9);
            //makeDivQ(10,99,5,9);
            //Console.WriteLine(max(0,0,1));
            //Pyth(1,1000);
            //LCM(4,8,12);
            //circleX(-1.3,2);
            //makeAlgebra();
            
            makeSubQ2by2(10,100,10,100);
            //makeFracQ();
        }

public static void LCM(int a, int b) {

int lcm;

int a_r=a;
             int b_r=b;
             int d=max(a_r,b_r);
             
             while(d>1) {
                 
                 if (a_r%d==0 && b_r%d==0) {
                     
                     int a_r_temp=a_r/d;
                     int b_r_temp=b_r/d;
                     a_r=a_r_temp;
                     b_r=b_r_temp;
                     lcm=d*a_r*b_r;
                     break;
                     
                 }
               
                 d--;

}
             
             lcm=d*a_r*b_r;
             Console.WriteLine("LCM({0},{1}): {2}", a,b,lcm);
         }
             
             
            
        public static void LCM(int a, int b, int c) {
     
            int lcm;
                
            if (a==0) {
                Console.Write("LCM("+a+","+b+","+c+") = ");
                LCM(b,c);
            }

else if (b==0) {
                Console.Write("LCM("+a+","+b+","+c+") = ");
                LCM(a,c);
            }
            
            else if(c==0) {
                Console.Write("LCM("+a+","+b+","+c+") = ");
                LCM(a,b);
            }
            
            // if all three are equal
            
            else if (a==b && b==c) {
            
                Console.WriteLine("LCM: "+a);
 
                
            }
            // if a and b are equal
            else if (a==b && a!=c) {
                if (a>c) { // if a is greater than c, use a as divisor then decrement
                    for (int i=a; a>1; i--) {
                        if (a%i==0 && c%i==0) {
                            int a_reduced=a/i;
                            int c_reduced=c/i;
                            lcm = i*a_reduced*c_reduced;
                            Console.WriteLine("LCM("+a+","+b+","+c+"): " + lcm);
                            break;
                        }
                    }
                }
                else { // if c is greater than a, use c as divisor then decrement
                    for (int i=c; c>1; i--) {
                        if (a%i==0 && c%i==0) {
                            int a_reduced=a/i;
                            int c_reduced=c/i;
                            lcm = i*a_reduced*c_reduced;
                            Console.WriteLine("LCM("+a+","+b+","+c+"): " + lcm);
                            break;
                        }
                    }
                }
            }
            // if b and c are equal
            else if (b==c && a!=b) {
                if (a>b) { // if a is greater than b, use b as divisor then decrement
                    for (int i=a; a>1; i--) {
                        if (a%i==0 && b%i==0) {
                            int a_reduced=a/i;
                            int b_reduced=b/i;
                            lcm = i*a_reduced*b_reduced;
                            Console.WriteLine("LCM("+a+","+b+","+c+"): " + lcm);
                            break;
                        }
                    }
                }
                else { // if b is greater than a, use b as divisor then decrement
                    for (int i=b; b>1; i--) {
                        if (a%i==0 && b%i==0) {
                            int a_reduced=a/i;
                            int b_reduced=b/i;
                            lcm = i*a_reduced*b_reduced;
                            Console.WriteLine("LCM("+a+","+b+","+c+"): " + lcm);
                            break;
                        }
                    }
                }
            }
            // if a and c are equal
            else if (a==c && a!=b) {
                if (a>b) { // if a is greater than b, use a as divisor then decrement
                    for (int i=a; a>1; i--) {
                        if (a%i==0 && b%i==0) {
                            int a_reduced=a/i;
                            int b_reduced=b/i;
                            lcm = i*a_reduced*b_reduced;
                            Console.WriteLine("LCM("+a+","+b+","+c+"): " + lcm);
                            break;
                        }
                    }
                }
                else { // if b is greater than a, use b as divisor then decrement
                    for (int i=b; b>1; i--) {
                        if (a%i==0 && b%i==0) {
                            int a_reduced=a/i;
                            int b_reduced=b/i;
                            lcm = i*a_reduced*b_reduced;            
                            Console.WriteLine("LCM("+a+","+b+","+c+"): " + lcm);
                            break;
                        }
                    }
                }
            }
                    
            //if all three are different
            else { 
                
                int a_r = a;
                int b_r = b;
                int c_r = c;

int d = max (a_r,b_r,c_r); //set divisor as the max of the 3 numbers
                
                while (d>1) {

if (a_r%d==0 && b_r%d==0 && c_r%d==0) {
                        
                        int a_r_temp=a_r/d;
                        int b_r_temp=b_r/d;
                        int c_r_temp=c_r/d;
                        a_r = a_r_temp;
                        b_r = b_r_temp;
                        c_r = c_r_temp;
                        //Console.WriteLine("a_r and b_r and c_r");
                        break;
                        
                    }
                    
                    else if (a_r%d==0 && b_r%d==0) {

int a_r_temp=a_r/d;
                        int b_r_temp=b_r/d;
                        a_r = a_r_temp;
                        b_r = b_r_temp;
                        //Console.WriteLine("a_r and b_r");
                        break;
            
                    }
                        
             
                    else if (a_r%d==0 && c_r%d==0) {

int a_r_temp=a_r/d;
                        int c_r_temp=c_r/d;
                        a_r = a_r_temp;
                        c_r = c_r_temp;
                        //Console.WriteLine("a_r and c_r");
                        break;

}
                        
                  
                    else if (b_r%d==0 && c_r%d==0) {

int b_r_temp=b_r/d;
                        int c_r_temp=c_r/d;
                        b_r = b_r_temp;
                        c_r = c_r_temp;
                        //Console.WriteLine("b_r and c_r");
                        break;

}
                   
                    else {
                                       
                        //lcm=d*a_r*b_r*c_r;
                        //Console.WriteLine("{0}, {1}, {2}, {3}",a_r,b_r,c_r,d);
                        //Console.WriteLine("LCM({0},{1},{2}): {3}",a,b,c,lcm);
                    
                    }
                    
                    d--;
                    
                }
                    
                
                        lcm=d*a_r*b_r*c_r;
                        //Console.WriteLine("{0}, {1}, {2}, {3}",a_r,b_r,c_r,d);
                        Console.WriteLine("LCM({0},{1},{2}): {3}",a,b,c,lcm);
            }
        }

public static int max(int a, int b) {
            
            if (a>b){
                return a;
            }
            else if (b>a){
                return b;
            }
            else {
                return a;
            }
        }

public static int max(int a, int b, int c) {

if (a>=b && a>=c) {
                
                return a;
            }
            
            else if (b>=a && b>=c) {
                 
                return b;
            }
            
            else {
                
                return c;
            }
        }

public static void Pyth(int lowerBound, int upperBound) {
            //Your code goes here
                       
            for (int i=lowerBound; i<=upperBound; i++) {
                
                for (int j=lowerBound; j<=upperBound; j++){
                    
                    double c = Math.Sqrt(Math.Pow(i,2)+Math.Pow(j,2));
                    if (c%1==0){
                        
                        Console.WriteLine("(a,b,c) = (" + i + "," + j + "," + c + ")");
                    }
                }
            }
        }
        
        public static void areaTrapezoid(double top, double bottom, double height) {
            
            double area = (top+bottom)*height/2;
            Console.WriteLine("Area: {0}", area);
    
        }

public static void volumeCylinder ( double radius, double height) {
            
            double vol = radius*radius*Math.PI*height;
            Console.WriteLine("Volume: {0}", vol);
        
        }

public static void sAreaCylinder(double radius, double height) {
            
            double s_area = 2*calcAreaCircle(radius) + calcAreaCircle(radius)*height;
            Console.WriteLine("Surface Area: {0}", s_area);
        }

public static void Circumf(int radius){
            
            double circ = 2*radius*Math.PI;
            Console.WriteLine("Circumference: {0}", circ);
        }
                
    
        public static void areaCircle(double r){
            double area = r*r*Math.PI;
            Console.WriteLine("Area: {0}", area);
        }
        
        public static double calcAreaCircle(double r){
        
            return r*r*Math.PI;
    
        }
        
        public static double calcCircumCirlce(double r){
            
            return 2*r*Math.PI;
        }
    
        public static void sAreaCone(int r, int l) {}

public static void volumeCone(int r, int h){}

public static void SimplifyRatio(int ratio1, int ratio2, int ratio3) {
            
            int divisor;
            if (ratio1>ratio2 && ratio1>ratio3) {
                divisor = ratio1;
             }
            else if (ratio2>ratio1 && ratio2>ratio3) {
                divisor = ratio2;
            }
            else divisor = ratio3;

int ratio1_reduce = ratio1;
            int ratio2_reduce = ratio2;
            int ratio3_reduce = ratio3;
            while (divisor!=1) {

if(ratio1_reduce%divisor==0 && ratio2_reduce%divisor==0 && ratio3_reduce%divisor==0){
                int ratio1_reduce_temp = ratio1_reduce/divisor;
                int ratio2_reduce_temp = ratio2_reduce/divisor;
                int ratio3_reduce_temp = ratio3_reduce/divisor;

ratio1_reduce = ratio1_reduce_temp;
                ratio2_reduce = ratio2_reduce_temp;
                ratio3_reduce = ratio3_reduce_temp;
                divisor--;
            }
            else divisor--;

}
            
            Console.WriteLine(ratio1+":"+ratio2+":"+ratio3+" = "+ratio1_reduce+":"+ratio2_reduce+":"+ratio3_reduce);
        }
            
        /*public static void makeSubQ(int firstLowerBound, int firstUpperBound, int secondLowerBound, int secondUpperBound){
            
            for (int i=firstLowerBound; i<=firstUpperBound; i+=9){
                
                for (int j=secondLowerBound; j<=secondUpperBound; j+=9){
                
                    if (i>j) {
                        Console.WriteLine("        \\item \\("+i+"\\operation"+j+"=\\)");

}

}
                
            }
           
        }*/
        
        /*
        
        for(int k=0;k<4;k++){
            //for (int i=firstLowerBound; i<=firstUpperBound; i+=9){
            for (int i=10; i<20;i++){
                
                //for (int j=secondLowerBound; j<=secondUpperBound; j+=9){
                for (int j=1; j<10;j++){   
                   
                   if (i>j && i%10<j) {
       */
        
        public static void makeSubQ2by2(int firstLowerBound, int firstUpperBound, int secondLowerBound, int secondUpperBound){
        
            string title = "Subtraction ()";
            string exerciseTitle = "Calculate.";
            int m=0;
            int i_final=30000;
            int incre= 0;
            
            string[] latex = new string[] {"\\fontsize{12pt}{16pt}\\selectfont", "        \\setlength\\itemsep{2em}"};
            
            string[] op = new string[2] {"(", ")("};
            string end =")=\\)";
            
            List<string> questions = new List<string>();
            
            //for (int i=firstLowerBound; i<=firstUpperBound; i+=9){
            for (int i=10; i<100;i++){
                
                //for (int j=secondLowerBound; j<=secondUpperBound; j+=9){
                for (int j=10; j<100;j++){   
                   
                    if (i!=j && i+j<100){questions.Add("        \\task \\(\\mathmakebox[1.45cm][r]{"+i+"-"+j+"}=\\underline{\\hspace{2cm}}\\)");}
                   /*if (i>j) {
                       
                       questions.Add("        \\item \\("+i+"-"+j+"=\\)");
                       
                   }*/
                   
                }
                
            }
            questions.Shuffle();
            
            //Console.WriteLine(questions.Count());
            
            Print(questions);
            /*for (int i=0; i<questions.Count(); i++){
                
                if(i==0){

Console.WriteLine("\\begin{figure}[ht!]");
                    Console.WriteLine("\\vspace{-23mm}\\hspace*{-23mm}\\includegraphics[scale=0.9]{Logo.jpg}");
                    Console.WriteLine("\\end{figure}");
                    Console.WriteLine();
                    Console.WriteLine("\\vspace{-15mm}\\begingroup");
                    Console.WriteLine("\\centering");
                    Console.WriteLine("\\LARGE "+title+" \\\\[0.5em]");
                    //Console.WriteLine("\\large Promatics Education Centre\\\\[1.5em]");
                    Console.WriteLine("\\endgroup");
                    Console.WriteLine();
                    Console.WriteLine(latex[0]);
                    Console.WriteLine("\\textbf{Exercise "+(i/30+1)+". "+exerciseTitle+".}\\\\");
                    Console.WriteLine("\\begin{multicols}{2}");
                    Console.WriteLine("    \\begin{enumerate}[label=\\arabic*)]");
                    Console.WriteLine(latex[1]);

}
                Console.WriteLine(questions[i]);
               
                if (i!=0 && (i+1)%30==0){
                  
                    
                    Console.WriteLine("\\end{enumerate}");
                    Console.WriteLine("\\end{multicols}");
                    Console.WriteLine();
                    Console.WriteLine("\\pagebreak[4]");
                    Console.WriteLine();
                    Console.WriteLine("\\begin{figure}[ht!]");
                    Console.WriteLine("\\vspace{-23mm}\\hspace*{-23mm}\\includegraphics[scale=0.9]{Logo.jpg}");
                    Console.WriteLine("\\end{figure}");
                    Console.WriteLine();
                    Console.WriteLine("\\vspace{-15mm}\\begingroup");
                    Console.WriteLine("\\centering");
                    Console.WriteLine("\\LARGE "+title+" \\\\[0.5em]");
                    //Console.WriteLine("\\large Promatics Education Centre\\\\[1.5em]");
                    Console.WriteLine("\\endgroup");
                    Console.WriteLine();
                    Console.WriteLine(latex[0]);
                    Console.WriteLine("\\textbf{Exercise "+((i+30)/30+1)+". "+exerciseTitle+".}\\\\");
                    Console.WriteLine("\\begin{multicols}{2}");
                    Console.WriteLine("    \\begin{enumerate}[label=\\arabic*)]");
                    Console.WriteLine(latex[1]);
                }
            }*/
        }
        
        public static void Print<T>(List<T> list) {
        
        string title = "Subtraction ()";
        string exerciseTitle = "Calculate.";
        int m=0;
        int i_final=30000;
        int incre= 0;
        
        string[] latex = new string[] {"\\fontsize{12pt}{16pt}\\selectfont", "        \\setlength\\itemsep{2em}"};
        
        string[] op = new string[2] {"(", ")("};
        string end =")=\\)";
        
        for (int i=0; i<list.Count(); i++){
                    
                    if(i==0){
    
                        Console.WriteLine("\\begin{figure}[ht!]");
                        Console.WriteLine("\\vspace{-23mm}\\hspace*{-23mm}\\includegraphics[scale=0.9]{Logo.jpg}");
                        Console.WriteLine("\\end{figure}");
                        Console.WriteLine();
                        Console.WriteLine("\\vspace{-15mm}\\begingroup");
                        Console.WriteLine("\\centering");
                        Console.WriteLine("\\LARGE "+title+" \\\\[0.5em]");
                        //Console.WriteLine("\\large Promatics Education Centre\\\\[1.5em]");
                        Console.WriteLine("\\endgroup");
                        Console.WriteLine();
                        Console.WriteLine(latex[0]);
                        Console.WriteLine("\\textbf{Exercise "+(i/30+1)+". "+exerciseTitle+".}\\\\");
                        Console.WriteLine("\\begin{multicols}{2}");
                        Console.WriteLine("    \\begin{enumerate}[label=\\arabic*)]");
                        Console.WriteLine(latex[1]);
    
                    
                    }
                    Console.WriteLine(list[i]);
                   
                    if (i!=0 && (i+1)%30==0){
                      
                        
                        Console.WriteLine("\\end{enumerate}");
                        Console.WriteLine("\\end{multicols}");
                        Console.WriteLine();
                        Console.WriteLine("\\pagebreak[4]");
                        Console.WriteLine();
                        Console.WriteLine("\\begin{figure}[ht!]");
                        Console.WriteLine("\\vspace{-23mm}\\hspace*{-23mm}\\includegraphics[scale=0.9]{Logo.jpg}");
                        Console.WriteLine("\\end{figure}");
                        Console.WriteLine();
                        Console.WriteLine("\\vspace{-15mm}\\begingroup");
                        Console.WriteLine("\\centering");
                        Console.WriteLine("\\LARGE "+title+" \\\\[0.5em]");
                        //Console.WriteLine("\\large Promatics Education Centre\\\\[1.5em]");
                        Console.WriteLine("\\endgroup");
                        Console.WriteLine();
                        Console.WriteLine(latex[0]);
                        Console.WriteLine("\\textbf{Exercise "+((i+30)/30+1)+". "+exerciseTitle+".}\\\\");
                        Console.WriteLine("\\begin{multicols}{2}");
                        Console.WriteLine("    \\begin{enumerate}[label=\\arabic*)]");
                        Console.WriteLine(latex[1]);
                    }
                }
        }
        public static void makeAlg(){
            
            Random rand =new Random();
            
            int[] n = new int[10];
            
            for (int j=0; j<50; j++) {
                for (int i =0; i<n.Length; i++){
                    n[i] = rand.Next(1,10);
                }
                char[] op = new char[] {'+','-'};
                int x = rand.Next(0,2);
                int y = rand.Next(0,2);
                int z = rand.Next(0,2);
                Console.WriteLine("\\(\\dfrac{{{7}(x{4}{0})}}{{{1}}}{6}\\dfrac{{{8}(x{5}{2})}}{{{3}}}=\\)\\\\",n[0],n[1],n[2],n[3],op[x],op[y],op[z],n[4],n[5]);
            }

}
        
        public static void checkAlgebra(){
            
            for (int x = -40; x<40; x++) {
                
                int a = 62*x-68;
                int b = 35;
                
                if (a%b==0){
                        
                    Console.WriteLine(x);
                }
            }
            
            
        }
        public static void makeQ(int firstLowerBound, int firstUpperBound, int secondLowerBound, int secondUpperBound){
         
            for (int i=firstLowerBound; i<=firstUpperBound; i+=9){

for (int j=secondLowerBound; j<=secondUpperBound; j+=9){

Console.WriteLine("        \\item \\("+i+"\\operation"+j+"=\\)");                   
            
                }
              
            }

}
        
        public static void makeFracQ(){
        
            string title = "Algebra Simplification Introduction";
            string exerciseTitle = "Simplify the algebraic expressions";
            int m=0;
            int i_final=30000;
            int incre= 0;
            
            string[] latex = new string[] {"\\fontsize{12pt}{16pt}\\selectfont", "        \\setlength\\itemsep{2em}"};
            string mathbox = "\\mathmakebox[1.45cm][r]{";
            string[] op = new string[2] {"(", ")("};
            string end =")=\\)";
            
            List<string> questions = new List<string>();
            
            
            //for (int i=firstLowerBound; i<=firstUpperBound; i+=9){
            for (int i=1; i<100;i++){
                
                //for (int j=secondLowerBound; j<=secondUpperBound; j+=9){
                for (int j=10; j<100;j++){   
                    
                    int num1 = rand.Next(1,10);
                    int num2 = rand.Next(1,10);
                    int denom1 = rand.Next(2,10);
                    int denom2 = rand.Next(2,10);
                    int mixed1 = rand.Next(0,10);
                    int mixed2 = rand.Next(0,10);
                    
                    if (num1!=denom1 && num2!=denom1 && num1<denom1 && num2<denom1){questions.Add("        \\item \\("+mixed1+"\\dfrac{"+num1+"}{"+denom1+"}+"+mixed2+"\\dfrac{"+num2+"}{"+denom1+"}=\\underline{\\hspace{2cm}}\\)");}
                   /*if (i>j) {
                       
                       questions.Add("        \\item \\("+i+"-"+j+"=\\)");
                       
                   }*/
                   
                }
                
            }
            questions.Shuffle();
            
            //Console.WriteLine(questions.Count());
            
            for (int i=0; i<questions.Count(); i++){
                
                if(i==0){

}
                    
                }
               
            }
             
        }
        
        public static void addLineBreak(int linesPerSection, int totalLines) {
         
            for (int i=0; i<=totalLines; i++) {
                
                if (i%linesPerSection==0) {
                    
                    Console.WriteLine("Break");
                    
                }
                
                else Console.WriteLine("No");
                
            
            }
        }
                 
        public static void circleX(double x, double radius) {
            
            Console.WriteLine("("+x+", "+Math.Round(Math.Sqrt(radius*radius-Math.Pow(x,2)),3)+")");
            
        }
        
        public static void circleY(double y, double radius) {
          
            Console.WriteLine("("+y+", "+Math.Round(Math.Sqrt(radius*radius-Math.Pow(y,2)),3)+")");
            
        }
        
        public static void angle(double x1, double y1, double x2, double y2, double x3, double y3) {
         
            double l12 = Math.Pow((x1-x2),2) +Math.Pow((y1-y2),2);
            double l13 = Math.Pow((x3-x1),2) +Math.Pow((y3-y1),2);
            double l23 = Math.Pow((x3-x2),2) +Math.Pow((y3-y2),2);
            
            double lhs = (l13-l12-l23)/(-2*Math.Sqrt(l12)*Math.Sqrt(l23));
            double angle2 = Math.Acos(lhs);
            //double angle2 = Math.Round(Math.Acos()*100,3);
            
            //Console.WriteLine(angle2 + " degrees C");
            Console.WriteLine(l12 + " " + l23 + " " + l13);
            Console.WriteLine(lhs);
                Console.WriteLine(angle2*360/(2*Math.PI)+" degrees");
        }
        
        public static void makeAlgebra(){
        
            string[] vari = new string[24] {"a","b","c","d","f","g","h","k","m","n","p","q","r","s","t","u","v","w","x","y","z","\\delta", "\\epsilon", "\\phi"};
            //var[0] = "a";
            //var[1] = "b";
            //var[2] = "c";
            
            int n=-1; // n is the random number of variables per question
            int m=0;
            int i_final=30000;
            int incre= 0;
            string title = "Algebra Simplification Introduction";
            string exerciseTitle = "Simplify the algebraic expressions";
            string[] latex = new string[] {"\\fontsize{12pt}{16pt}\\selectfont", "        \\setlength\\itemsep{2em}"};
            
            string[] op = new string[2] {"(", ")("};
            string end =")=\\)";
            for (int i=1; i<=i_final; i++) {

int num2=rand.Next(0,3);  // range of number of different variables per question
                int num = rand.Next(2,5); // range of number of total variables per question
                int consts=rand.Next(1,6); // range of coefficients of the variables
                
                if(i==1){

Console.WriteLine("\\begin{figure}[ht!]");
                    Console.WriteLine("\\vspace{-23mm}\\hspace*{-23mm}\\includegraphics[scale=0.9]{Logo.jpg}");
                    Console.WriteLine("\\end{figure}");
                    Console.WriteLine();
                    Console.WriteLine("\\vspace{-15mm}\\begingroup");
                    Console.WriteLine("\\centering");
                    Console.WriteLine("\\LARGE "+title+" \\\\[0.5em]");
                    //Console.WriteLine("\\large Promatics Education Centre\\\\[1.5em]");
                    Console.WriteLine("\\endgroup");
                    Console.WriteLine();
                    Console.WriteLine(latex[0]);
                    Console.WriteLine("\\textbf{Exercise "+(m/30+1)+". "+exerciseTitle+".}\\\\");
                    Console.WriteLine("\\begin{multicols}{2}");
                    Console.WriteLine("    \\begin{enumerate}[label=\\arabic*)]");
                    Console.WriteLine(latex[1]);

}

if (n==-1){ //first variable of each question
                    Console.Write("        \\item \\(");
                }
                
                if (n==0){
                Console.Write(consts+vari[num2+3*incre]+op[0]);
                
                }
            
                else if (n>0 && n<num){
                    Console.Write(consts+vari[num2+3*incre]+op[1]);
                }
                n++;                
                if (n==num){ 
                    m++;
                    Console.Write(consts+vari[num2+3*incre]);
                    Console.Write(end);
                    Console.WriteLine();
                    
                    if (m%30==0) {
                        incre=rand.Next(0,8);
                        Console.WriteLine("\\end{enumerate}");
                        Console.WriteLine("\\end{multicols}");
                        Console.WriteLine();
                        Console.WriteLine("\\pagebreak[4]");
                        Console.WriteLine();
                        Console.WriteLine("\\begin{figure}[ht!]");
                        Console.WriteLine("\\vspace{-23mm}\\hspace*{-23mm}\\includegraphics[scale=0.9]{Logo.jpg}");
                        Console.WriteLine("\\end{figure}");
                        Console.WriteLine();
                        Console.WriteLine("\\vspace{-15mm}\\begingroup");
                        Console.WriteLine("\\centering");
                        Console.WriteLine("\\LARGE "+title+" \\\\[0.5em]");
                        //Console.WriteLine("\\large Promatics Education Centre\\\\[1.5em]");
                        Console.WriteLine("\\endgroup");
                        Console.WriteLine();
                        Console.WriteLine(latex[0]);
                        Console.WriteLine("\\textbf{Exercise "+(m/30+1)+". "+exerciseTitle+".}\\\\");
                        Console.WriteLine("\\begin{multicols}{2}");
                        Console.WriteLine("    \\begin{enumerate}[label=\\arabic*)]");
                        Console.WriteLine(latex[1]);
                    }
                    
                    Console.Write("        \\item \\(");
                    n=0;
                }
                
                else if (n>num){
                    m++;
                    Console.Write(consts+vari[num2+3*incre]);
                    Console.Write(end);
                    Console.WriteLine();
                    
                    if (m%30==0) {
                        incre=rand.Next(0,8);
                        Console.WriteLine("\\end{enumerate}");
                        Console.WriteLine("\\end{multicols}");
                        Console.WriteLine();
                        Console.WriteLine("\\pagebreak[4]");
                        Console.WriteLine();
                        Console.WriteLine("\\begin{figure}[ht!]");
                        Console.WriteLine("\\vspace{-23mm}\\hspace*{-23mm}\\includegraphics[scale=0.9]{Logo.jpg}");
                        Console.WriteLine("\\end{figure}");
                        Console.WriteLine();
                        Console.WriteLine("\\vspace{-15mm}\\begingroup");
                        Console.WriteLine("\\centering");
                        Console.WriteLine("\\LARGE "+title+" \\\\[0.5em]");
                        //Console.WriteLine("\\large Promatics Education Centre\\\\[1.5em]");
                        Console.WriteLine("\\endgroup");
                        Console.WriteLine();
                        Console.WriteLine(latex[0]);
                        Console.WriteLine("\\textbf{Exercise "+((m+30)/30+1)+". "+exerciseTitle+".}\\\\");
                        Console.WriteLine("\\begin{multicols}{2}");
                        Console.WriteLine("    \\begin{enumerate}[label=\\arabic*)]");
                        Console.WriteLine(latex[1]);
                    }
                    
                    Console.Write("        \\item \\(");
                    n=0;
                }

/* if(i==i_final){
                    Console.WriteLine("\\end{enumerate}");
                    Console.WriteLine("\\end{multicols}");
                    
                }*/

}
            
            
        }
        
     
        public static void makeDiv4by2()     {
            
            for (int i =0; i<10000; i++) {
                  
                int dividend = rand.Next(1001,10000);
                int divisor = rand.Next(11,99);

if (dividend%divisor==0) {
                Console.WriteLine("        \\item \\("+dividend+"\\div"+divisor+"=\\)");
                    
                }
            }
        }
        
        public static void makeSciNot(){
            
            for (int i=0; i<100; i++){
                
                int num1 = rand.Next(1,10);
                int dec1 = rand.Next(1,10);
                int num2 = rand.Next(1,10);
                int dec2 = rand.Next(1,10);
                int exp = rand.Next(-9,10);
                int plusminus = rand.Next(-1,2);
                if (num1>num2 && exp != exp+plusminus){
                    
                Console.WriteLine("        \\item \\({0}.{3} \\times 10^{{{2}}}+{1}.{4} \\times 10^{{{5}}}=\\)",num1,num2,exp,dec1,dec2,exp+plusminus);
                }
            }
        }
        
        public static void DN(){
            
            //st<string> sign = new List<string>(new string[] {"+","-","*","/"});
            List<char> sign = new List<char>(new char[] {'+','-','*','/'});
            
            for (int i=0;i<100;i++){
                
                string question = "{0}{1}{2}{3}{4}{5}{6}";
                int pick1= rand.Next(0+sign.Count());
                int pick2= rand.Next(0+sign.Count());
                int pick3= rand.Next(0+sign.Count());
                int num1=rand.Next(-9,10);
                int num2=rand.Next(-9,10);
                int num3=rand.Next(-9,10);
                int num4=rand.Next(-9,10);
                string num1_str, num2_str, num3_str, num4_str;
                bool num1_b = num1<0;
                bool num2_b = num2<0;
                bool num3_b = num3<0;
                bool num4_b = num4<0;
                
                if (num1_b && !num2_b && !num3_b && !num4_b) {
                    num1_str = "("+num1.ToString()+")";
                    Console.WriteLine(question,num1_str,sign[pick1],num2,sign[pick2],num3,sign[pick3],num4);
                    Console.WriteLine(num1+sign[pick1]+num2+sign[pick2]+num3+sign[pick3]+num4);
                    
                }
                
                else if (num2_b && !num1_b && !num3_b && !num4_b){
                    num2_str = "("+num2.ToString()+")";
                    Console.WriteLine(question,num1,sign[pick1],num2_str,sign[pick2],num3,sign[pick3],num4);
                    Console.WriteLine(num1+sign[pick1]+num2+sign[pick2]+num3+sign[pick3]+num4);
                }
                
                else if (num3_b && !num1_b && !num2_b && !num4_b){
                    num3_str = "("+num3.ToString()+")";
                    Console.WriteLine(question,num1,sign[pick1],num2,sign[pick2],num3_str,sign[pick3],num4);
                    Console.WriteLine(num1+sign[pick1]+num2+sign[pick2]+num3+sign[pick3]+num4);
                }
                
                else if (num4_b && !num1_b && !num2_b && !num3_b){
                    num4_str = "("+num4.ToString()+")";
                    Console.WriteLine(question,num1,sign[pick1],num2,sign[pick2],num3,sign[pick3],num4_str);
                    Console.WriteLine(num1+sign[pick1]+num2+sign[pick2]+num3+sign[pick3]+num4);
                }
                
                else if (num1_b && num2_b &&!num3_b && !num4_b){
                    num1_str = "("+num1.ToString()+")";
                    num2_str = "("+num2.ToString()+")";
                    Console.WriteLine(question,num1_str,sign[pick1],num2_str,sign[pick2],num3,sign[pick3],num4);
                    Console.WriteLine(num1+sign[pick1]+num2+sign[pick2]+num3+sign[pick3]+num4);
                }
                
                else if (num1_b && num3_b && !num2_b && !num4_b){ 
                    num1_str = "("+num1.ToString()+")";
                    num3_str = "("+num3.ToString()+")";
                    Console.WriteLine(question,num1_str,sign[pick1],num2,sign[pick2],num3_str,sign[pick3],num4);
                    Console.WriteLine(num1+sign[pick1]+num2+sign[pick2]+num3+sign[pick3]+num4);
                }
                
                else if (num1_b && num4_b && !num2_b && !num3_b){
                    num1_str = "("+num1.ToString()+")";
                    num4_str = "("+num4.ToString()+")";
                    Console.WriteLine(question,num1_str,sign[pick1],num2,sign[pick2],num3,sign[pick3],num4_str);
                    Console.WriteLine(num1+sign[pick1]+num2+sign[pick2]+num3+sign[pick3]+num4);
                }
                
                else if (num2_b && num3_b && !num1_b && !num4_b){
                    num2_str = "("+num2.ToString()+")";
                    num3_str = "("+num3.ToString()+")";
                    Console.WriteLine(question,num1,sign[pick1],num2_str,sign[pick2],num3_str,sign[pick3],num4);
                    Console.WriteLine(num1+sign[pick1]+num2+sign[pick2]+num3+sign[pick3]+num4);
                }
                
                else if (num2_b && num4_b && !num1_b && !num3_b){
                    num2_str = "("+num2.ToString()+")";
                    num4_str = "("+num4.ToString()+")";
                    Console.WriteLine(question,num1,sign[pick1],num2_str,sign[pick2],num3,sign[pick3],num4_str);
                    Console.WriteLine(num1+sign[pick1]+num2+sign[pick2]+num3+sign[pick3]+num4);
                }
                
                else if (num3_b && num4_b && !num1_b && !num2_b){
                    num3_str = "("+num3.ToString()+")";
                    num4_str = "("+num4.ToString()+")";
                    Console.WriteLine(question,num1,sign[pick1],num2,sign[pick2],num3_str,sign[pick3],num4_str);
                    Console.WriteLine(num1+sign[pick1]+num2+sign[pick2]+num3+sign[pick3]+num4);
                }
                
                else if (num1_b && num2_b && num3_b && !num4_b){
                    num1_str = "("+num1.ToString()+")";
                    num2_str = "("+num2.ToString()+")";
                    num3_str = "("+num3.ToString()+")";
                    Console.WriteLine(question,num1_str,sign[pick1],num2_str,sign[pick2],num3_str,sign[pick3],num4);
                    Console.WriteLine(num1+sign[pick1]+num2+sign[pick2]+num3+sign[pick3]+num4);
                }
                
                else if (num1_b && num3_b && num4_b && !num2_b){
                    num1_str = "("+num1.ToString()+")";
                    num3_str = "("+num3.ToString()+")";
                    num4_str = "("+num4.ToString()+")";
                    Console.WriteLine(question,num1_str,sign[pick1],num2,sign[pick2],num3_str,sign[pick3],num4_str);
                    Console.WriteLine(num1+sign[pick1]+num2+sign[pick2]+num3+sign[pick3]+num4);
                }
                
                else if (num1_b && num2_b && num4_b && !num3_b){
                    num1_str = "("+num1.ToString()+")";
                    num2_str = "("+num2.ToString()+")";
                    num4_str = "("+num4.ToString()+")";
                    Console.WriteLine(question,num1_str,sign[pick1],num2_str,sign[pick2],num3,sign[pick3],num4_str);
                    Console.WriteLine(num1+sign[pick1]+num2+sign[pick2]+num3+sign[pick3]+num4);
                }
                
                else if (num2_b && num3_b && num4_b && !num1_b){
                    num2_str = "("+num2.ToString()+")";
                    num3_str = "("+num3.ToString()+")";
                    num4_str = "("+num4.ToString()+")";
                    Console.WriteLine(question,num1,sign[pick1],num2_str,sign[pick2],num3_str,sign[pick3],num4_str);
                    Console.WriteLine(num1+sign[pick1]+num2+sign[pick2]+num3+sign[pick3]+num4);
                }
                
                else {
                    Console.WriteLine(question,num1,sign[pick1],num2,sign[pick2],num3,sign[pick3],num4);
                    Console.WriteLine(num1+sign[pick1]+num2+sign[pick2]+num3+sign[pick3]+num4);
                }
              
            }

}
    }
}

namespace ShuffleExtension {
    
    public static class ShuffleExtend {
        
        private static readonly Random rnd = new Random();
        
        public static void Shuffle<T>(this IList<T> list) {
        
            int n = list.Count; 
       
            while (n > 1) {
            
                int k = (rnd.Next(0, n) % n);
                n--;
                T value = list[k];
                list[k] = list[n];    
                list[n] = value;
        
            }
            
   
        }
    }
}

Show compiler warnings [ + ] Show input
Compilation time: 0,19 sec, absolute running time: 1,16 sec, cpu time: 0,06 sec, average memory usage: 24 Mb, average nr of threads: 5

\begin{figure}[ht!] \vspace{-23mm}\hspace*{-23mm}\includegraphics[scale=0.9]{Logo.jpg} \end{figure} \vspace{-15mm}\begingroup \centering \LARGE Subtraction () \\[0.5em] \endgroup \fontsize{12pt}{16pt}\selectfont \textbf{Exercise 1. Calculate..}\\ \begin{multicols}{2} \begin{enumerate}[label=\arabic*)] \setlength\itemsep{2em} \task \(\mathmakebox[1.45cm][r]{11-69}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{12-50}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{24-33}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{16-56}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{40-58}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{20-76}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{12-64}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{74-17}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{26-58}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{41-21}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{10-85}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{14-36}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{16-72}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{22-33}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{24-23}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{11-84}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{58-14}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{19-66}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{58-11}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{53-15}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{21-71}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{21-26}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{58-27}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{16-43}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{15-44}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{44-41}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{25-65}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{23-26}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{22-77}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{20-60}=\underline{\hspace{2cm}}\) \end{enumerate} \end{multicols} \pagebreak[4] \begin{figure}[ht!] \vspace{-23mm}\hspace*{-23mm}\includegraphics[scale=0.9]{Logo.jpg} \end{figure} \vspace{-15mm}\begingroup \centering \LARGE Subtraction () \\[0.5em] \endgroup \fontsize{12pt}{16pt}\selectfont \textbf{Exercise 2. Calculate..}\\ \begin{multicols}{2} \begin{enumerate}[label=\arabic*)] \setlength\itemsep{2em} \task \(\mathmakebox[1.45cm][r]{15-58}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{15-82}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{36-39}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{33-13}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{27-34}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{12-84}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{39-14}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{16-25}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{30-44}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{60-18}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{59-37}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{71-15}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{58-24}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{34-15}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{30-67}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{20-62}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{11-51}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{46-47}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{20-25}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{56-19}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{15-25}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{15-17}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{11-67}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{25-18}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{33-38}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{21-53}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{23-56}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{12-43}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{49-38}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{14-21}=\underline{\hspace{2cm}}\) \end{enumerate} \end{multicols} \pagebreak[4] \begin{figure}[ht!] \vspace{-23mm}\hspace*{-23mm}\includegraphics[scale=0.9]{Logo.jpg} \end{figure} \vspace{-15mm}\begingroup \centering \LARGE Subtraction () \\[0.5em] \endgroup \fontsize{12pt}{16pt}\selectfont \textbf{Exercise 3. Calculate..}\\ \begin{multicols}{2} \begin{enumerate}[label=\arabic*)] \setlength\itemsep{2em} \task \(\mathmakebox[1.45cm][r]{68-27}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{24-66}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{55-36}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{34-22}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{12-66}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{30-61}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{12-19}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{39-44}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{62-15}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{45-40}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{42-54}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{36-61}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{71-14}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{46-31}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{26-10}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{34-21}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{14-20}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{23-19}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{53-44}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{59-29}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{16-61}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{55-43}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{26-55}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{17-68}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{39-47}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{17-33}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{29-22}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{46-36}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{42-51}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{21-45}=\underline{\hspace{2cm}}\) \end{enumerate} \end{multicols} \pagebreak[4] \begin{figure}[ht!] \vspace{-23mm}\hspace*{-23mm}\includegraphics[scale=0.9]{Logo.jpg} \end{figure} \vspace{-15mm}\begingroup \centering \LARGE Subtraction () \\[0.5em] \endgroup \fontsize{12pt}{16pt}\selectfont \textbf{Exercise 4. Calculate..}\\ \begin{multicols}{2} \begin{enumerate}[label=\arabic*)] \setlength\itemsep{2em} \task \(\mathmakebox[1.45cm][r]{50-40}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{53-41}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{37-22}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{41-25}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{29-21}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{73-18}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{32-15}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{14-84}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{34-25}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{16-20}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{24-28}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{23-70}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{22-65}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{48-22}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{14-64}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{30-56}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{78-12}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{47-10}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{67-16}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{14-73}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{17-59}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{12-74}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{14-60}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{20-67}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{31-39}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{49-17}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{56-43}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{59-16}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{47-15}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{18-33}=\underline{\hspace{2cm}}\) \end{enumerate} \end{multicols} \pagebreak[4] \begin{figure}[ht!] \vspace{-23mm}\hspace*{-23mm}\includegraphics[scale=0.9]{Logo.jpg} \end{figure} \vspace{-15mm}\begingroup \centering \LARGE Subtraction () \\[0.5em] \endgroup \fontsize{12pt}{16pt}\selectfont \textbf{Exercise 5. Calculate..}\\ \begin{multicols}{2} \begin{enumerate}[label=\arabic*)] \setlength\itemsep{2em} \task \(\mathmakebox[1.45cm][r]{54-18}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{12-62}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{51-42}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{86-12}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{65-26}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{26-33}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{49-22}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{37-47}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{46-29}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{34-20}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{18-38}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{76-11}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{28-49}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{14-48}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{15-46}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{32-24}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{33-29}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{29-15}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{14-77}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{11-82}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{11-27}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{54-44}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{80-11}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{27-49}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{48-34}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{48-51}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{26-17}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{53-27}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{28-20}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{11-80}=\underline{\hspace{2cm}}\) \end{enumerate} \end{multicols} \pagebreak[4] \begin{figure}[ht!] \vspace{-23mm}\hspace*{-23mm}\includegraphics[scale=0.9]{Logo.jpg} \end{figure} \vspace{-15mm}\begingroup \centering \LARGE Subtraction () \\[0.5em] \endgroup \fontsize{12pt}{16pt}\selectfont \textbf{Exercise 6. Calculate..}\\ \begin{multicols}{2} \begin{enumerate}[label=\arabic*)] \setlength\itemsep{2em} \task \(\mathmakebox[1.45cm][r]{16-32}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{55-12}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{44-38}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{11-58}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{49-36}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{48-33}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{54-20}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{51-18}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{38-29}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{13-46}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{39-50}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{64-19}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{13-84}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{71-22}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{15-16}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{22-72}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{59-22}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{12-49}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{43-47}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{57-36}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{56-29}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{36-40}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{13-37}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{10-77}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{73-22}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{31-42}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{25-41}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{13-25}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{14-71}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{28-39}=\underline{\hspace{2cm}}\) \end{enumerate} \end{multicols} \pagebreak[4] \begin{figure}[ht!] \vspace{-23mm}\hspace*{-23mm}\includegraphics[scale=0.9]{Logo.jpg} \end{figure} \vspace{-15mm}\begingroup \centering \LARGE Subtraction () \\[0.5em] \endgroup \fontsize{12pt}{16pt}\selectfont \textbf{Exercise 7. Calculate..}\\ \begin{multicols}{2} \begin{enumerate}[label=\arabic*)] \setlength\itemsep{2em} \task \(\mathmakebox[1.45cm][r]{40-43}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{59-28}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{40-57}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{25-72}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{29-37}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{62-11}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{32-53}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{10-71}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{47-27}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{25-50}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{45-37}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{27-43}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{53-33}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{11-83}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{28-66}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{42-15}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{39-46}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{26-69}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{82-11}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{28-63}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{52-25}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{37-41}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{32-41}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{17-56}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{81-10}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{42-12}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{45-28}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{57-17}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{70-10}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{16-47}=\underline{\hspace{2cm}}\) \end{enumerate} \end{multicols} \pagebreak[4] \begin{figure}[ht!] \vspace{-23mm}\hspace*{-23mm}\includegraphics[scale=0.9]{Logo.jpg} \end{figure} \vspace{-15mm}\begingroup \centering \LARGE Subtraction () \\[0.5em] \endgroup \fontsize{12pt}{16pt}\selectfont \textbf{Exercise 8. Calculate..}\\ \begin{multicols}{2} \begin{enumerate}[label=\arabic*)] \setlength\itemsep{2em} \task \(\mathmakebox[1.45cm][r]{26-56}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{25-15}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{37-46}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{36-31}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{68-22}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{45-21}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{32-47}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{35-20}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{21-38}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{68-20}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{53-18}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{46-16}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{20-48}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{10-70}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{26-46}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{87-12}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{22-49}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{45-52}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{61-24}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{46-23}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{23-51}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{19-43}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{43-41}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{10-53}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{65-17}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{14-52}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{20-78}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{52-46}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{24-61}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{24-43}=\underline{\hspace{2cm}}\) \end{enumerate} \end{multicols} \pagebreak[4] \begin{figure}[ht!] \vspace{-23mm}\hspace*{-23mm}\includegraphics[scale=0.9]{Logo.jpg} \end{figure} \vspace{-15mm}\begingroup \centering \LARGE Subtraction () \\[0.5em] \endgroup \fontsize{12pt}{16pt}\selectfont \textbf{Exercise 9. Calculate..}\\ \begin{multicols}{2} \begin{enumerate}[label=\arabic*)] \setlength\itemsep{2em} \task \(\mathmakebox[1.45cm][r]{18-11}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{23-72}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{27-67}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{11-44}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{56-27}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{12-39}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{15-11}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{44-19}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{40-29}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{81-11}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{13-35}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{25-69}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{12-81}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{71-21}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{21-60}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{42-48}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{11-36}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{16-10}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{22-13}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{24-55}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{25-27}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{46-20}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{29-45}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{44-43}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{72-11}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{23-38}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{11-33}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{16-28}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{31-56}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{10-56}=\underline{\hspace{2cm}}\) \end{enumerate} \end{multicols} \pagebreak[4] \begin{figure}[ht!] \vspace{-23mm}\hspace*{-23mm}\includegraphics[scale=0.9]{Logo.jpg} \end{figure} \vspace{-15mm}\begingroup \centering \LARGE Subtraction () \\[0.5em] \endgroup \fontsize{12pt}{16pt}\selectfont \textbf{Exercise 10. Calculate..}\\ \begin{multicols}{2} \begin{enumerate}[label=\arabic*)] \setlength\itemsep{2em} \task \(\mathmakebox[1.45cm][r]{62-20}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{78-10}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{43-33}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{42-31}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{80-10}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{46-50}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{39-26}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{54-39}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{31-43}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{17-69}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{14-40}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{42-14}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{26-37}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{49-37}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{47-52}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{51-26}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{31-60}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{23-52}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{25-35}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{61-22}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{33-19}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{14-74}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{38-49}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{11-12}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{65-11}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{60-12}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{10-42}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{63-13}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{36-24}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{15-22}=\underline{\hspace{2cm}}\) \end{enumerate} \end{multicols} \pagebreak[4] \begin{figure}[ht!] \vspace{-23mm}\hspace*{-23mm}\includegraphics[scale=0.9]{Logo.jpg} \end{figure} \vspace{-15mm}\begingroup \centering \LARGE Subtraction () \\[0.5em] \endgroup \fontsize{12pt}{16pt}\selectfont \textbf{Exercise 11. Calculate..}\\ \begin{multicols}{2} \begin{enumerate}[label=\arabic*)] \setlength\itemsep{2em} \task \(\mathmakebox[1.45cm][r]{21-18}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{19-69}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{40-38}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{49-12}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{12-61}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{76-23}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{65-30}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{17-25}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{54-15}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{20-15}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{10-51}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{22-40}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{17-43}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{24-74}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{55-16}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{71-18}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{48-46}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{59-36}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{44-55}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{11-76}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{12-38}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{31-16}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{62-22}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{48-31}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{38-39}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{21-14}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{28-18}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{64-32}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{64-23}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{31-52}=\underline{\hspace{2cm}}\) \end{enumerate} \end{multicols} \pagebreak[4] \begin{figure}[ht!] \vspace{-23mm}\hspace*{-23mm}\includegraphics[scale=0.9]{Logo.jpg} \end{figure} \vspace{-15mm}\begingroup \centering \LARGE Subtraction () \\[0.5em] \endgroup \fontsize{12pt}{16pt}\selectfont \textbf{Exercise 12. Calculate..}\\ \begin{multicols}{2} \begin{enumerate}[label=\arabic*)] \setlength\itemsep{2em} \task \(\mathmakebox[1.45cm][r]{37-51}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{35-64}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{10-66}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{55-25}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{21-44}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{28-16}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{13-64}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{23-58}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{11-86}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{64-33}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{58-25}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{60-31}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{17-63}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{41-34}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{44-46}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{26-11}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{54-31}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{26-59}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{23-33}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{18-10}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{23-28}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{62-13}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{23-35}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{42-46}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{35-26}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{24-41}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{27-50}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{13-27}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{15-26}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{86-10}=\underline{\hspace{2cm}}\) \end{enumerate} \end{multicols} \pagebreak[4] \begin{figure}[ht!] \vspace{-23mm}\hspace*{-23mm}\includegraphics[scale=0.9]{Logo.jpg} \end{figure} \vspace{-15mm}\begingroup \centering \LARGE Subtraction () \\[0.5em] \endgroup \fontsize{12pt}{16pt}\selectfont \textbf{Exercise 13. Calculate..}\\ \begin{multicols}{2} \begin{enumerate}[label=\arabic*)] \setlength\itemsep{2em} \task \(\mathmakebox[1.45cm][r]{27-30}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{11-40}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{57-18}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{40-22}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{48-35}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{32-57}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{28-59}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{27-56}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{23-47}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{82-14}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{19-68}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{45-46}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{78-16}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{40-16}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{18-59}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{25-14}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{28-19}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{29-24}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{20-69}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{18-23}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{78-17}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{80-17}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{12-58}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{52-13}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{60-23}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{41-31}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{31-47}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{52-33}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{45-15}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{17-18}=\underline{\hspace{2cm}}\) \end{enumerate} \end{multicols} \pagebreak[4] \begin{figure}[ht!] \vspace{-23mm}\hspace*{-23mm}\includegraphics[scale=0.9]{Logo.jpg} \end{figure} \vspace{-15mm}\begingroup \centering \LARGE Subtraction () \\[0.5em] \endgroup \fontsize{12pt}{16pt}\selectfont \textbf{Exercise 14. Calculate..}\\ \begin{multicols}{2} \begin{enumerate}[label=\arabic*)] \setlength\itemsep{2em} \task \(\mathmakebox[1.45cm][r]{32-27}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{46-24}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{70-12}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{22-56}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{34-16}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{26-23}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{55-26}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{13-80}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{14-78}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{39-49}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{78-18}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{64-34}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{43-14}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{31-17}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{27-38}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{33-18}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{12-85}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{46-25}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{53-22}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{49-15}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{36-15}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{30-36}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{13-83}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{66-31}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{66-29}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{70-20}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{26-20}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{17-41}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{53-24}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{84-11}=\underline{\hspace{2cm}}\) \end{enumerate} \end{multicols} \pagebreak[4] \begin{figure}[ht!] \vspace{-23mm}\hspace*{-23mm}\includegraphics[scale=0.9]{Logo.jpg} \end{figure} \vspace{-15mm}\begingroup \centering \LARGE Subtraction () \\[0.5em] \endgroup \fontsize{12pt}{16pt}\selectfont \textbf{Exercise 15. Calculate..}\\ \begin{multicols}{2} \begin{enumerate}[label=\arabic*)] \setlength\itemsep{2em} \task \(\mathmakebox[1.45cm][r]{33-53}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{32-65}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{12-51}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{16-54}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{38-37}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{47-13}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{46-34}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{21-62}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{44-48}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{21-77}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{69-28}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{33-10}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{60-36}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{66-25}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{22-11}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{27-31}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{16-23}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{59-27}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{19-62}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{38-19}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{35-61}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{44-50}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{73-15}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{39-20}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{44-25}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{25-54}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{17-34}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{62-23}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{14-51}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{28-34}=\underline{\hspace{2cm}}\) \end{enumerate} \end{multicols} \pagebreak[4] \begin{figure}[ht!] \vspace{-23mm}\hspace*{-23mm}\includegraphics[scale=0.9]{Logo.jpg} \end{figure} \vspace{-15mm}\begingroup \centering \LARGE Subtraction () \\[0.5em] \endgroup \fontsize{12pt}{16pt}\selectfont \textbf{Exercise 16. Calculate..}\\ \begin{multicols}{2} \begin{enumerate}[label=\arabic*)] \setlength\itemsep{2em} \task \(\mathmakebox[1.45cm][r]{12-41}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{65-29}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{14-44}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{73-24}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{46-22}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{10-84}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{21-39}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{55-11}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{67-20}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{10-23}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{48-43}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{32-40}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{20-75}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{82-17}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{77-10}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{68-13}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{53-39}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{16-33}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{23-61}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{31-14}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{11-20}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{45-53}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{75-11}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{60-35}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{72-17}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{14-75}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{28-17}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{53-12}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{14-39}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{17-21}=\underline{\hspace{2cm}}\) \end{enumerate} \end{multicols} \pagebreak[4] \begin{figure}[ht!] \vspace{-23mm}\hspace*{-23mm}\includegraphics[scale=0.9]{Logo.jpg} \end{figure} \vspace{-15mm}\begingroup \centering \LARGE Subtraction () \\[0.5em] \endgroup \fontsize{12pt}{16pt}\selectfont \textbf{Exercise 17. Calculate..}\\ \begin{multicols}{2} \begin{enumerate}[label=\arabic*)] \setlength\itemsep{2em} \task \(\mathmakebox[1.45cm][r]{35-18}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{47-37}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{37-58}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{48-37}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{32-31}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{15-30}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{12-42}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{35-60}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{21-51}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{22-38}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{35-19}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{21-23}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{16-69}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{40-27}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{16-37}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{53-21}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{23-30}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{19-11}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{14-18}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{33-27}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{24-57}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{60-29}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{71-11}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{23-67}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{20-44}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{31-23}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{53-26}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{24-64}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{25-51}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{12-24}=\underline{\hspace{2cm}}\) \end{enumerate} \end{multicols} \pagebreak[4] \begin{figure}[ht!] \vspace{-23mm}\hspace*{-23mm}\includegraphics[scale=0.9]{Logo.jpg} \end{figure} \vspace{-15mm}\begingroup \centering \LARGE Subtraction () \\[0.5em] \endgroup \fontsize{12pt}{16pt}\selectfont \textbf{Exercise 18. Calculate..}\\ \begin{multicols}{2} \begin{enumerate}[label=\arabic*)] \setlength\itemsep{2em} \task \(\mathmakebox[1.45cm][r]{68-30}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{19-13}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{16-68}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{20-27}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{33-21}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{28-71}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{43-23}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{17-80}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{35-31}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{74-16}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{55-44}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{34-59}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{32-14}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{25-21}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{40-10}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{62-28}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{47-42}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{38-22}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{62-21}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{22-52}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{24-13}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{43-32}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{22-76}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{50-49}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{33-41}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{33-22}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{16-67}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{58-31}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{31-25}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{12-52}=\underline{\hspace{2cm}}\) \end{enumerate} \end{multicols} \pagebreak[4] \begin{figure}[ht!] \vspace{-23mm}\hspace*{-23mm}\includegraphics[scale=0.9]{Logo.jpg} \end{figure} \vspace{-15mm}\begingroup \centering \LARGE Subtraction () \\[0.5em] \endgroup \fontsize{12pt}{16pt}\selectfont \textbf{Exercise 19. Calculate..}\\ \begin{multicols}{2} \begin{enumerate}[label=\arabic*)] \setlength\itemsep{2em} \task \(\mathmakebox[1.45cm][r]{13-69}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{40-41}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{67-23}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{48-19}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{21-13}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{25-52}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{22-17}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{20-73}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{23-66}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{27-54}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{15-63}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{77-16}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{45-11}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{57-34}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{69-12}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{38-58}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{23-36}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{58-34}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{10-17}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{25-12}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{11-34}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{82-13}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{24-56}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{34-19}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{17-47}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{59-15}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{37-56}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{67-13}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{27-33}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{18-44}=\underline{\hspace{2cm}}\) \end{enumerate} \end{multicols} \pagebreak[4] \begin{figure}[ht!] \vspace{-23mm}\hspace*{-23mm}\includegraphics[scale=0.9]{Logo.jpg} \end{figure} \vspace{-15mm}\begingroup \centering \LARGE Subtraction () \\[0.5em] \endgroup \fontsize{12pt}{16pt}\selectfont \textbf{Exercise 20. Calculate..}\\ \begin{multicols}{2} \begin{enumerate}[label=\arabic*)] \setlength\itemsep{2em} \task \(\mathmakebox[1.45cm][r]{29-40}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{76-15}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{35-40}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{10-20}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{25-26}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{16-18}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{10-11}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{10-31}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{36-50}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{44-45}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{15-27}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{18-79}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{45-30}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{13-45}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{15-66}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{19-80}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{35-37}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{11-79}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{68-19}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{24-53}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{49-32}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{79-17}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{30-39}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{19-48}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{12-82}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{83-16}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{72-25}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{61-10}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{12-53}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{30-22}=\underline{\hspace{2cm}}\) \end{enumerate} \end{multicols} \pagebreak[4] \begin{figure}[ht!] \vspace{-23mm}\hspace*{-23mm}\includegraphics[scale=0.9]{Logo.jpg} \end{figure} \vspace{-15mm}\begingroup \centering \LARGE Subtraction () \\[0.5em] \endgroup \fontsize{12pt}{16pt}\selectfont \textbf{Exercise 21. Calculate..}\\ \begin{multicols}{2} \begin{enumerate}[label=\arabic*)] \setlength\itemsep{2em} \task \(\mathmakebox[1.45cm][r]{31-55}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{29-67}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{66-13}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{30-43}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{39-35}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{23-10}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{30-55}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{12-30}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{20-40}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{42-11}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{63-15}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{17-61}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{13-61}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{41-17}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{28-47}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{35-59}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{61-32}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{10-83}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{61-16}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{17-77}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{27-35}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{28-31}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{20-63}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{33-57}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{60-22}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{46-51}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{13-53}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{26-44}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{41-12}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{10-15}=\underline{\hspace{2cm}}\) \end{enumerate} \end{multicols} \pagebreak[4] \begin{figure}[ht!] \vspace{-23mm}\hspace*{-23mm}\includegraphics[scale=0.9]{Logo.jpg} \end{figure} \vspace{-15mm}\begingroup \centering \LARGE Subtraction () \\[0.5em] \endgroup \fontsize{12pt}{16pt}\selectfont \textbf{Exercise 22. Calculate..}\\ \begin{multicols}{2} \begin{enumerate}[label=\arabic*)] \setlength\itemsep{2em} \task \(\mathmakebox[1.45cm][r]{41-58}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{19-15}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{46-19}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{27-28}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{34-38}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{43-34}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{35-42}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{17-76}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{29-26}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{42-44}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{40-56}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{66-30}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{28-56}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{10-61}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{43-44}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{54-37}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{29-61}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{71-20}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{23-74}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{63-18}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{45-39}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{24-12}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{68-31}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{61-36}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{18-27}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{63-28}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{18-15}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{11-45}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{38-55}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{19-56}=\underline{\hspace{2cm}}\) \end{enumerate} \end{multicols} \pagebreak[4] \begin{figure}[ht!] \vspace{-23mm}\hspace*{-23mm}\includegraphics[scale=0.9]{Logo.jpg} \end{figure} \vspace{-15mm}\begingroup \centering \LARGE Subtraction () \\[0.5em] \endgroup \fontsize{12pt}{16pt}\selectfont \textbf{Exercise 23. Calculate..}\\ \begin{multicols}{2} \begin{enumerate}[label=\arabic*)] \setlength\itemsep{2em} \task \(\mathmakebox[1.45cm][r]{52-40}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{14-50}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{10-64}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{47-33}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{47-14}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{19-44}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{61-23}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{16-12}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{50-34}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{22-43}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{12-25}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{38-44}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{23-65}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{21-17}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{36-59}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{76-21}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{33-62}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{57-14}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{67-10}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{14-34}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{27-69}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{16-64}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{57-24}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{19-54}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{35-22}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{14-56}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{42-47}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{24-59}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{30-28}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{29-28}=\underline{\hspace{2cm}}\) \end{enumerate} \end{multicols} \pagebreak[4] \begin{figure}[ht!] \vspace{-23mm}\hspace*{-23mm}\includegraphics[scale=0.9]{Logo.jpg} \end{figure} \vspace{-15mm}\begingroup \centering \LARGE Subtraction () \\[0.5em] \endgroup \fontsize{12pt}{16pt}\selectfont \textbf{Exercise 24. Calculate..}\\ \begin{multicols}{2} \begin{enumerate}[label=\arabic*)] \setlength\itemsep{2em} \task \(\mathmakebox[1.45cm][r]{38-30}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{14-85}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{34-60}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{72-14}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{58-26}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{41-20}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{29-52}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{61-15}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{21-24}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{33-40}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{79-19}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{11-73}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{25-55}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{70-26}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{29-69}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{17-11}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{54-32}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{38-61}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{16-53}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{73-26}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{10-29}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{13-79}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{44-36}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{23-20}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{26-25}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{47-44}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{21-43}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{35-62}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{47-48}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{37-45}=\underline{\hspace{2cm}}\) \end{enumerate} \end{multicols} \pagebreak[4] \begin{figure}[ht!] \vspace{-23mm}\hspace*{-23mm}\includegraphics[scale=0.9]{Logo.jpg} \end{figure} \vspace{-15mm}\begingroup \centering \LARGE Subtraction () \\[0.5em] \endgroup \fontsize{12pt}{16pt}\selectfont \textbf{Exercise 25. Calculate..}\\ \begin{multicols}{2} \begin{enumerate}[label=\arabic*)] \setlength\itemsep{2em} \task \(\mathmakebox[1.45cm][r]{16-49}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{52-14}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{18-52}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{27-26}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{19-70}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{38-34}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{59-24}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{22-42}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{13-51}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{35-47}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{16-52}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{17-13}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{74-23}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{58-22}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{22-55}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{34-17}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{22-68}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{74-13}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{47-21}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{18-29}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{64-14}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{19-29}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{23-48}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{61-34}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{23-13}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{22-63}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{46-42}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{82-15}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{28-33}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{46-12}=\underline{\hspace{2cm}}\) \end{enumerate} \end{multicols} \pagebreak[4] \begin{figure}[ht!] \vspace{-23mm}\hspace*{-23mm}\includegraphics[scale=0.9]{Logo.jpg} \end{figure} \vspace{-15mm}\begingroup \centering \LARGE Subtraction () \\[0.5em] \endgroup \fontsize{12pt}{16pt}\selectfont \textbf{Exercise 26. Calculate..}\\ \begin{multicols}{2} \begin{enumerate}[label=\arabic*)] \setlength\itemsep{2em} \task \(\mathmakebox[1.45cm][r]{65-16}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{59-26}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{54-41}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{11-15}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{13-34}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{46-10}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{62-33}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{57-32}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{17-35}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{42-29}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{38-48}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{13-28}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{12-36}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{28-10}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{50-35}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{26-22}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{38-50}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{16-24}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{14-15}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{18-56}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{46-44}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{15-34}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{34-26}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{20-38}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{19-22}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{41-14}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{15-69}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{47-22}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{25-73}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{33-59}=\underline{\hspace{2cm}}\) \end{enumerate} \end{multicols} \pagebreak[4] \begin{figure}[ht!] \vspace{-23mm}\hspace*{-23mm}\includegraphics[scale=0.9]{Logo.jpg} \end{figure} \vspace{-15mm}\begingroup \centering \LARGE Subtraction () \\[0.5em] \endgroup \fontsize{12pt}{16pt}\selectfont \textbf{Exercise 27. Calculate..}\\ \begin{multicols}{2} \begin{enumerate}[label=\arabic*)] \setlength\itemsep{2em} \task \(\mathmakebox[1.45cm][r]{47-19}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{18-39}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{56-31}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{16-35}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{30-27}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{60-20}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{13-52}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{21-30}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{55-42}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{17-37}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{22-26}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{32-48}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{29-49}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{38-53}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{18-74}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{24-44}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{43-22}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{23-16}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{74-14}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{76-14}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{20-70}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{51-33}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{21-55}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{46-39}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{56-13}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{45-13}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{32-16}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{46-49}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{10-63}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{50-20}=\underline{\hspace{2cm}}\) \end{enumerate} \end{multicols} \pagebreak[4] \begin{figure}[ht!] \vspace{-23mm}\hspace*{-23mm}\includegraphics[scale=0.9]{Logo.jpg} \end{figure} \vspace{-15mm}\begingroup \centering \LARGE Subtraction () \\[0.5em] \endgroup \fontsize{12pt}{16pt}\selectfont \textbf{Exercise 28. Calculate..}\\ \begin{multicols}{2} \begin{enumerate}[label=\arabic*)] \setlength\itemsep{2em} \task \(\mathmakebox[1.45cm][r]{68-15}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{20-12}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{39-34}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{22-51}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{26-41}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{51-37}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{48-13}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{54-12}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{21-73}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{15-24}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{37-48}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{10-59}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{26-34}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{65-14}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{22-62}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{12-10}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{35-29}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{57-31}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{52-28}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{77-12}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{26-27}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{36-25}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{24-20}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{68-24}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{45-32}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{10-81}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{51-46}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{22-31}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{19-25}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{43-50}=\underline{\hspace{2cm}}\) \end{enumerate} \end{multicols} \pagebreak[4] \begin{figure}[ht!] \vspace{-23mm}\hspace*{-23mm}\includegraphics[scale=0.9]{Logo.jpg} \end{figure} \vspace{-15mm}\begingroup \centering \LARGE Subtraction () \\[0.5em] \endgroup \fontsize{12pt}{16pt}\selectfont \textbf{Exercise 29. Calculate..}\\ \begin{multicols}{2} \begin{enumerate}[label=\arabic*)] \setlength\itemsep{2em} \task \(\mathmakebox[1.45cm][r]{25-53}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{21-70}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{56-34}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{63-12}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{22-37}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{53-32}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{14-82}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{43-20}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{14-55}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{75-13}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{51-31}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{24-40}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{26-60}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{11-31}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{15-37}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{56-35}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{62-12}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{17-42}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{33-65}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{48-25}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{16-36}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{39-33}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{27-61}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{30-16}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{10-45}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{69-21}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{39-10}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{70-16}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{47-40}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{13-75}=\underline{\hspace{2cm}}\) \end{enumerate} \end{multicols} \pagebreak[4] \begin{figure}[ht!] \vspace{-23mm}\hspace*{-23mm}\includegraphics[scale=0.9]{Logo.jpg} \end{figure} \vspace{-15mm}\begingroup \centering \LARGE Subtraction () \\[0.5em] \endgroup \fontsize{12pt}{16pt}\selectfont \textbf{Exercise 30. Calculate..}\\ \begin{multicols}{2} \begin{enumerate}[label=\arabic*)] \setlength\itemsep{2em} \task \(\mathmakebox[1.45cm][r]{73-25}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{72-27}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{28-32}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{46-15}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{16-79}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{27-24}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{29-12}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{19-30}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{31-18}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{27-48}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{57-30}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{24-49}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{19-37}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{29-20}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{10-35}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{67-29}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{41-27}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{14-32}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{77-14}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{63-30}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{24-34}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{61-20}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{51-23}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{14-46}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{59-12}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{34-33}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{12-60}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{56-25}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{44-34}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{10-14}=\underline{\hspace{2cm}}\) \end{enumerate} \end{multicols} \pagebreak[4] \begin{figure}[ht!] \vspace{-23mm}\hspace*{-23mm}\includegraphics[scale=0.9]{Logo.jpg} \end{figure} \vspace{-15mm}\begingroup \centering \LARGE Subtraction () \\[0.5em] \endgroup \fontsize{12pt}{16pt}\selectfont \textbf{Exercise 31. Calculate..}\\ \begin{multicols}{2} \begin{enumerate}[label=\arabic*)] \setlength\itemsep{2em} \task \(\mathmakebox[1.45cm][r]{25-59}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{33-48}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{86-11}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{33-31}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{13-74}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{41-16}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{77-20}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{19-50}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{44-27}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{44-15}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{47-28}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{48-30}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{11-77}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{16-38}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{10-46}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{12-70}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{36-37}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{77-13}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{19-39}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{35-30}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{15-61}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{48-28}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{25-57}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{50-10}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{26-24}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{74-18}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{56-18}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{69-25}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{65-32}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{23-44}=\underline{\hspace{2cm}}\) \end{enumerate} \end{multicols} \pagebreak[4] \begin{figure}[ht!] \vspace{-23mm}\hspace*{-23mm}\includegraphics[scale=0.9]{Logo.jpg} \end{figure} \vspace{-15mm}\begingroup \centering \LARGE Subtraction () \\[0.5em] \endgroup \fontsize{12pt}{16pt}\selectfont \textbf{Exercise 32. Calculate..}\\ \begin{multicols}{2} \begin{enumerate}[label=\arabic*)] \setlength\itemsep{2em} \task \(\mathmakebox[1.45cm][r]{27-12}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{33-23}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{14-25}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{43-40}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{49-41}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{21-22}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{32-35}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{24-67}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{60-26}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{20-11}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{27-51}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{49-45}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{37-39}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{51-21}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{18-35}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{35-11}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{54-26}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{22-25}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{31-30}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{45-50}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{48-47}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{33-43}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{15-68}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{20-47}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{18-19}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{13-10}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{73-10}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{12-63}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{34-18}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{38-10}=\underline{\hspace{2cm}}\) \end{enumerate} \end{multicols} \pagebreak[4] \begin{figure}[ht!] \vspace{-23mm}\hspace*{-23mm}\includegraphics[scale=0.9]{Logo.jpg} \end{figure} \vspace{-15mm}\begingroup \centering \LARGE Subtraction () \\[0.5em] \endgroup \fontsize{12pt}{16pt}\selectfont \textbf{Exercise 33. Calculate..}\\ \begin{multicols}{2} \begin{enumerate}[label=\arabic*)] \setlength\itemsep{2em} \task \(\mathmakebox[1.45cm][r]{33-37}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{83-10}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{38-24}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{36-18}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{50-24}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{45-20}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{36-44}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{42-16}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{60-17}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{20-21}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{12-73}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{77-18}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{15-32}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{43-21}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{14-23}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{60-19}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{65-33}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{21-11}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{63-34}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{11-61}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{12-35}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{34-58}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{37-12}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{73-12}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{57-23}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{11-28}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{17-14}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{51-35}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{48-32}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{80-16}=\underline{\hspace{2cm}}\) \end{enumerate} \end{multicols} \pagebreak[4] \begin{figure}[ht!] \vspace{-23mm}\hspace*{-23mm}\includegraphics[scale=0.9]{Logo.jpg} \end{figure} \vspace{-15mm}\begingroup \centering \LARGE Subtraction () \\[0.5em] \endgroup \fontsize{12pt}{16pt}\selectfont \textbf{Exercise 34. Calculate..}\\ \begin{multicols}{2} \begin{enumerate}[label=\arabic*)] \setlength\itemsep{2em} \task \(\mathmakebox[1.45cm][r]{52-47}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{23-27}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{11-53}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{24-50}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{33-55}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{89-10}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{32-50}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{61-18}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{20-23}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{65-24}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{48-18}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{13-48}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{37-18}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{61-38}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{24-36}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{38-59}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{27-36}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{50-23}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{25-11}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{64-27}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{14-67}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{68-10}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{25-40}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{67-26}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{13-71}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{23-53}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{32-63}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{52-44}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{29-13}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{15-64}=\underline{\hspace{2cm}}\) \end{enumerate} \end{multicols} \pagebreak[4] \begin{figure}[ht!] \vspace{-23mm}\hspace*{-23mm}\includegraphics[scale=0.9]{Logo.jpg} \end{figure} \vspace{-15mm}\begingroup \centering \LARGE Subtraction () \\[0.5em] \endgroup \fontsize{12pt}{16pt}\selectfont \textbf{Exercise 35. Calculate..}\\ \begin{multicols}{2} \begin{enumerate}[label=\arabic*)] \setlength\itemsep{2em} \task \(\mathmakebox[1.45cm][r]{83-15}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{67-15}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{84-10}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{29-32}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{18-28}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{28-26}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{35-43}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{26-14}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{36-11}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{10-49}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{57-42}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{18-63}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{62-27}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{55-33}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{44-22}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{16-44}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{20-18}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{49-46}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{28-54}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{35-33}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{48-49}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{15-12}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{33-12}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{39-28}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{33-56}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{40-53}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{26-35}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{10-68}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{33-66}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{13-50}=\underline{\hspace{2cm}}\) \end{enumerate} \end{multicols} \pagebreak[4] \begin{figure}[ht!] \vspace{-23mm}\hspace*{-23mm}\includegraphics[scale=0.9]{Logo.jpg} \end{figure} \vspace{-15mm}\begingroup \centering \LARGE Subtraction () \\[0.5em] \endgroup \fontsize{12pt}{16pt}\selectfont \textbf{Exercise 36. Calculate..}\\ \begin{multicols}{2} \begin{enumerate}[label=\arabic*)] \setlength\itemsep{2em} \task \(\mathmakebox[1.45cm][r]{14-28}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{12-69}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{71-19}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{15-76}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{26-32}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{24-63}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{37-54}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{62-36}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{52-18}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{37-26}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{27-42}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{41-52}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{70-27}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{13-42}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{23-43}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{19-33}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{11-41}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{23-62}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{33-17}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{47-17}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{13-30}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{81-12}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{10-25}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{22-75}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{40-37}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{60-16}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{60-14}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{56-17}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{56-39}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{46-45}=\underline{\hspace{2cm}}\) \end{enumerate} \end{multicols} \pagebreak[4] \begin{figure}[ht!] \vspace{-23mm}\hspace*{-23mm}\includegraphics[scale=0.9]{Logo.jpg} \end{figure} \vspace{-15mm}\begingroup \centering \LARGE Subtraction () \\[0.5em] \endgroup \fontsize{12pt}{16pt}\selectfont \textbf{Exercise 37. Calculate..}\\ \begin{multicols}{2} \begin{enumerate}[label=\arabic*)] \setlength\itemsep{2em} \task \(\mathmakebox[1.45cm][r]{19-77}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{30-41}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{16-45}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{65-15}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{32-37}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{79-15}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{14-17}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{51-11}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{27-44}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{29-57}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{44-37}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{66-21}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{15-78}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{66-23}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{50-37}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{15-47}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{41-54}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{12-13}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{45-25}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{23-41}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{21-74}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{41-47}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{54-22}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{69-16}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{23-31}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{18-68}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{21-41}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{18-75}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{52-43}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{12-47}=\underline{\hspace{2cm}}\) \end{enumerate} \end{multicols} \pagebreak[4] \begin{figure}[ht!] \vspace{-23mm}\hspace*{-23mm}\includegraphics[scale=0.9]{Logo.jpg} \end{figure} \vspace{-15mm}\begingroup \centering \LARGE Subtraction () \\[0.5em] \endgroup \fontsize{12pt}{16pt}\selectfont \textbf{Exercise 38. Calculate..}\\ \begin{multicols}{2} \begin{enumerate}[label=\arabic*)] \setlength\itemsep{2em} \task \(\mathmakebox[1.45cm][r]{17-71}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{76-17}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{54-25}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{39-22}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{45-47}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{12-33}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{71-10}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{13-32}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{41-10}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{70-22}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{18-17}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{23-71}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{32-25}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{53-25}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{55-17}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{11-60}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{46-13}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{21-72}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{49-50}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{65-28}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{19-73}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{11-85}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{47-45}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{25-49}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{31-46}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{46-35}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{22-61}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{11-72}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{40-28}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{20-43}=\underline{\hspace{2cm}}\) \end{enumerate} \end{multicols} \pagebreak[4] \begin{figure}[ht!] \vspace{-23mm}\hspace*{-23mm}\includegraphics[scale=0.9]{Logo.jpg} \end{figure} \vspace{-15mm}\begingroup \centering \LARGE Subtraction () \\[0.5em] \endgroup \fontsize{12pt}{16pt}\selectfont \textbf{Exercise 39. Calculate..}\\ \begin{multicols}{2} \begin{enumerate}[label=\arabic*)] \setlength\itemsep{2em} \task \(\mathmakebox[1.45cm][r]{50-45}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{75-23}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{20-34}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{53-10}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{42-23}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{62-18}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{31-54}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{51-27}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{40-14}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{24-52}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{16-59}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{17-57}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{49-48}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{14-45}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{28-67}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{20-32}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{16-26}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{48-42}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{48-21}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{73-14}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{14-26}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{24-47}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{27-64}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{51-30}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{30-21}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{19-21}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{17-31}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{51-44}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{73-17}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{16-76}=\underline{\hspace{2cm}}\) \end{enumerate} \end{multicols} \pagebreak[4] \begin{figure}[ht!] \vspace{-23mm}\hspace*{-23mm}\includegraphics[scale=0.9]{Logo.jpg} \end{figure} \vspace{-15mm}\begingroup \centering \LARGE Subtraction () \\[0.5em] \endgroup \fontsize{12pt}{16pt}\selectfont \textbf{Exercise 40. Calculate..}\\ \begin{multicols}{2} \begin{enumerate}[label=\arabic*)] \setlength\itemsep{2em} \task \(\mathmakebox[1.45cm][r]{11-25}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{11-59}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{28-11}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{81-16}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{24-32}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{72-10}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{53-28}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{29-39}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{10-13}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{44-16}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{65-21}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{42-45}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{61-14}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{63-20}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{74-12}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{49-18}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{30-45}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{11-63}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{27-37}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{18-42}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{16-60}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{40-31}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{76-19}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{19-23}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{15-52}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{79-12}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{28-12}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{55-19}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{20-72}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{70-29}=\underline{\hspace{2cm}}\) \end{enumerate} \end{multicols} \pagebreak[4] \begin{figure}[ht!] \vspace{-23mm}\hspace*{-23mm}\includegraphics[scale=0.9]{Logo.jpg} \end{figure} \vspace{-15mm}\begingroup \centering \LARGE Subtraction () \\[0.5em] \endgroup \fontsize{12pt}{16pt}\selectfont \textbf{Exercise 41. Calculate..}\\ \begin{multicols}{2} \begin{enumerate}[label=\arabic*)] \setlength\itemsep{2em} \task \(\mathmakebox[1.45cm][r]{10-27}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{25-30}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{18-43}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{23-69}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{37-28}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{32-10}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{13-44}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{10-16}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{88-11}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{15-23}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{13-16}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{46-11}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{76-22}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{34-47}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{27-57}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{55-22}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{83-11}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{42-41}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{11-62}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{65-18}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{20-52}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{30-10}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{42-57}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{13-17}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{14-49}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{25-63}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{32-21}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{26-36}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{29-44}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{30-50}=\underline{\hspace{2cm}}\) \end{enumerate} \end{multicols} \pagebreak[4] \begin{figure}[ht!] \vspace{-23mm}\hspace*{-23mm}\includegraphics[scale=0.9]{Logo.jpg} \end{figure} \vspace{-15mm}\begingroup \centering \LARGE Subtraction () \\[0.5em] \endgroup \fontsize{12pt}{16pt}\selectfont \textbf{Exercise 42. Calculate..}\\ \begin{multicols}{2} \begin{enumerate}[label=\arabic*)] \setlength\itemsep{2em} \task \(\mathmakebox[1.45cm][r]{41-35}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{71-13}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{77-19}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{29-64}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{37-24}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{12-21}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{24-29}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{20-19}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{63-24}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{40-35}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{17-50}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{15-83}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{19-79}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{32-51}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{22-39}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{34-13}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{38-12}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{22-15}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{18-67}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{10-57}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{15-19}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{66-16}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{66-26}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{41-19}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{39-51}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{20-24}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{40-44}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{15-84}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{52-39}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{31-37}=\underline{\hspace{2cm}}\) \end{enumerate} \end{multicols} \pagebreak[4] \begin{figure}[ht!] \vspace{-23mm}\hspace*{-23mm}\includegraphics[scale=0.9]{Logo.jpg} \end{figure} \vspace{-15mm}\begingroup \centering \LARGE Subtraction () \\[0.5em] \endgroup \fontsize{12pt}{16pt}\selectfont \textbf{Exercise 43. Calculate..}\\ \begin{multicols}{2} \begin{enumerate}[label=\arabic*)] \setlength\itemsep{2em} \task \(\mathmakebox[1.45cm][r]{49-13}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{59-19}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{16-22}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{47-36}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{54-24}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{50-11}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{50-36}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{14-27}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{50-21}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{85-10}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{32-18}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{36-54}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{59-17}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{11-64}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{61-17}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{12-27}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{29-56}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{70-28}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{19-53}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{22-64}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{63-32}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{25-64}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{29-43}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{10-78}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{14-83}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{40-19}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{51-17}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{45-34}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{47-46}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{34-11}=\underline{\hspace{2cm}}\) \end{enumerate} \end{multicols} \pagebreak[4] \begin{figure}[ht!] \vspace{-23mm}\hspace*{-23mm}\includegraphics[scale=0.9]{Logo.jpg} \end{figure} \vspace{-15mm}\begingroup \centering \LARGE Subtraction () \\[0.5em] \endgroup \fontsize{12pt}{16pt}\selectfont \textbf{Exercise 44. Calculate..}\\ \begin{multicols}{2} \begin{enumerate}[label=\arabic*)] \setlength\itemsep{2em} \task \(\mathmakebox[1.45cm][r]{63-27}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{18-65}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{57-26}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{60-39}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{29-55}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{18-41}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{30-52}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{29-19}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{45-48}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{14-80}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{17-55}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{63-16}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{57-11}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{67-14}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{76-18}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{20-65}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{26-71}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{22-27}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{52-30}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{13-19}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{41-26}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{10-28}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{33-46}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{57-37}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{51-34}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{19-52}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{12-80}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{67-18}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{66-11}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{61-29}=\underline{\hspace{2cm}}\) \end{enumerate} \end{multicols} \pagebreak[4] \begin{figure}[ht!] \vspace{-23mm}\hspace*{-23mm}\includegraphics[scale=0.9]{Logo.jpg} \end{figure} \vspace{-15mm}\begingroup \centering \LARGE Subtraction () \\[0.5em] \endgroup \fontsize{12pt}{16pt}\selectfont \textbf{Exercise 45. Calculate..}\\ \begin{multicols}{2} \begin{enumerate}[label=\arabic*)] \setlength\itemsep{2em} \task \(\mathmakebox[1.45cm][r]{56-22}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{28-53}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{85-12}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{28-41}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{28-55}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{23-75}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{32-67}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{21-33}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{37-62}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{39-56}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{54-30}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{30-49}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{56-42}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{69-23}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{10-50}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{13-24}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{31-67}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{24-75}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{51-39}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{29-11}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{72-26}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{48-20}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{12-65}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{12-75}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{79-18}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{41-40}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{42-10}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{41-42}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{28-36}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{36-52}=\underline{\hspace{2cm}}\) \end{enumerate} \end{multicols} \pagebreak[4] \begin{figure}[ht!] \vspace{-23mm}\hspace*{-23mm}\includegraphics[scale=0.9]{Logo.jpg} \end{figure} \vspace{-15mm}\begingroup \centering \LARGE Subtraction () \\[0.5em] \endgroup \fontsize{12pt}{16pt}\selectfont \textbf{Exercise 46. Calculate..}\\ \begin{multicols}{2} \begin{enumerate}[label=\arabic*)] \setlength\itemsep{2em} \task \(\mathmakebox[1.45cm][r]{28-58}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{25-46}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{33-35}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{23-18}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{23-46}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{40-50}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{45-31}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{10-43}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{28-60}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{74-11}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{61-37}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{34-14}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{21-10}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{34-44}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{30-60}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{19-71}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{35-41}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{66-20}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{10-21}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{24-31}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{18-57}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{38-32}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{40-54}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{10-88}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{52-38}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{30-34}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{41-22}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{26-65}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{10-18}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{30-12}=\underline{\hspace{2cm}}\) \end{enumerate} \end{multicols} \pagebreak[4] \begin{figure}[ht!] \vspace{-23mm}\hspace*{-23mm}\includegraphics[scale=0.9]{Logo.jpg} \end{figure} \vspace{-15mm}\begingroup \centering \LARGE Subtraction () \\[0.5em] \endgroup \fontsize{12pt}{16pt}\selectfont \textbf{Exercise 47. Calculate..}\\ \begin{multicols}{2} \begin{enumerate}[label=\arabic*)] \setlength\itemsep{2em} \task \(\mathmakebox[1.45cm][r]{25-10}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{33-14}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{33-58}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{17-15}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{50-31}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{22-59}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{46-41}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{17-49}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{36-43}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{10-62}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{28-50}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{43-26}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{36-35}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{31-66}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{75-18}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{18-60}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{26-66}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{31-65}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{10-58}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{57-33}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{28-23}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{78-14}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{54-16}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{51-19}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{60-32}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{70-19}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{19-34}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{20-68}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{12-20}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{53-35}=\underline{\hspace{2cm}}\) \end{enumerate} \end{multicols} \pagebreak[4] \begin{figure}[ht!] \vspace{-23mm}\hspace*{-23mm}\includegraphics[scale=0.9]{Logo.jpg} \end{figure} \vspace{-15mm}\begingroup \centering \LARGE Subtraction () \\[0.5em] \endgroup \fontsize{12pt}{16pt}\selectfont \textbf{Exercise 48. Calculate..}\\ \begin{multicols}{2} \begin{enumerate}[label=\arabic*)] \setlength\itemsep{2em} \task \(\mathmakebox[1.45cm][r]{19-55}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{16-31}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{28-51}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{37-32}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{22-47}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{33-47}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{24-25}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{36-60}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{53-38}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{17-23}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{33-34}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{27-58}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{40-23}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{13-29}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{87-10}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{25-60}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{30-65}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{13-59}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{81-14}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{52-29}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{14-68}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{53-17}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{43-19}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{36-45}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{65-31}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{18-26}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{63-25}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{22-12}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{27-18}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{44-31}=\underline{\hspace{2cm}}\) \end{enumerate} \end{multicols} \pagebreak[4] \begin{figure}[ht!] \vspace{-23mm}\hspace*{-23mm}\includegraphics[scale=0.9]{Logo.jpg} \end{figure} \vspace{-15mm}\begingroup \centering \LARGE Subtraction () \\[0.5em] \endgroup \fontsize{12pt}{16pt}\selectfont \textbf{Exercise 49. Calculate..}\\ \begin{multicols}{2} \begin{enumerate}[label=\arabic*)] \setlength\itemsep{2em} \task \(\mathmakebox[1.45cm][r]{11-10}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{24-21}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{15-49}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{49-28}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{14-10}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{43-56}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{31-38}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{47-38}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{55-30}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{41-28}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{70-23}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{12-22}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{21-63}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{49-23}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{49-44}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{42-22}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{32-52}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{15-45}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{49-25}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{13-14}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{79-10}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{20-71}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{15-38}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{36-21}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{35-51}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{42-50}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{39-15}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{47-30}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{64-16}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{19-38}=\underline{\hspace{2cm}}\) \end{enumerate} \end{multicols} \pagebreak[4] \begin{figure}[ht!] \vspace{-23mm}\hspace*{-23mm}\includegraphics[scale=0.9]{Logo.jpg} \end{figure} \vspace{-15mm}\begingroup \centering \LARGE Subtraction () \\[0.5em] \endgroup \fontsize{12pt}{16pt}\selectfont \textbf{Exercise 50. Calculate..}\\ \begin{multicols}{2} \begin{enumerate}[label=\arabic*)] \setlength\itemsep{2em} \task \(\mathmakebox[1.45cm][r]{71-12}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{18-61}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{46-37}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{37-61}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{36-32}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{17-65}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{23-68}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{35-23}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{33-36}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{11-29}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{30-35}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{54-27}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{25-42}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{44-53}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{37-38}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{16-75}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{63-23}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{87-11}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{67-17}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{47-32}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{33-24}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{32-64}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{43-29}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{60-38}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{13-20}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{24-14}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{81-15}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{34-27}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{19-51}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{24-15}=\underline{\hspace{2cm}}\) \end{enumerate} \end{multicols} \pagebreak[4] \begin{figure}[ht!] \vspace{-23mm}\hspace*{-23mm}\includegraphics[scale=0.9]{Logo.jpg} \end{figure} \vspace{-15mm}\begingroup \centering \LARGE Subtraction () \\[0.5em] \endgroup \fontsize{12pt}{16pt}\selectfont \textbf{Exercise 51. Calculate..}\\ \begin{multicols}{2} \begin{enumerate}[label=\arabic*)] \setlength\itemsep{2em} \task \(\mathmakebox[1.45cm][r]{41-49}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{73-21}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{26-54}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{21-66}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{32-17}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{17-51}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{57-28}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{52-23}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{38-31}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{19-12}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{26-38}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{17-78}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{44-35}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{64-28}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{61-19}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{51-16}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{50-42}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{39-42}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{41-33}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{42-25}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{18-22}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{20-17}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{15-40}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{29-25}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{11-16}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{37-50}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{48-14}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{64-30}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{35-50}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{42-36}=\underline{\hspace{2cm}}\) \end{enumerate} \end{multicols} \pagebreak[4] \begin{figure}[ht!] \vspace{-23mm}\hspace*{-23mm}\includegraphics[scale=0.9]{Logo.jpg} \end{figure} \vspace{-15mm}\begingroup \centering \LARGE Subtraction () \\[0.5em] \endgroup \fontsize{12pt}{16pt}\selectfont \textbf{Exercise 52. Calculate..}\\ \begin{multicols}{2} \begin{enumerate}[label=\arabic*)] \setlength\itemsep{2em} \task \(\mathmakebox[1.45cm][r]{28-37}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{69-17}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{45-35}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{55-23}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{22-32}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{21-19}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{51-36}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{32-13}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{16-11}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{10-86}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{30-46}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{44-14}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{22-35}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{28-15}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{57-35}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{68-17}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{17-44}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{29-50}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{53-11}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{68-11}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{23-60}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{31-45}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{18-76}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{21-75}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{29-54}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{42-43}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{64-24}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{42-26}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{21-69}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{29-59}=\underline{\hspace{2cm}}\) \end{enumerate} \end{multicols} \pagebreak[4] \begin{figure}[ht!] \vspace{-23mm}\hspace*{-23mm}\includegraphics[scale=0.9]{Logo.jpg} \end{figure} \vspace{-15mm}\begingroup \centering \LARGE Subtraction () \\[0.5em] \endgroup \fontsize{12pt}{16pt}\selectfont \textbf{Exercise 53. Calculate..}\\ \begin{multicols}{2} \begin{enumerate}[label=\arabic*)] \setlength\itemsep{2em} \task \(\mathmakebox[1.45cm][r]{50-44}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{18-21}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{34-64}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{30-64}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{15-55}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{23-55}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{59-23}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{12-16}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{18-45}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{10-73}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{41-36}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{41-57}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{41-32}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{28-29}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{12-71}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{85-11}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{25-23}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{19-59}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{56-36}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{23-34}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{27-68}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{38-27}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{19-24}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{21-31}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{30-23}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{58-32}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{11-75}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{19-49}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{16-39}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{37-42}=\underline{\hspace{2cm}}\) \end{enumerate} \end{multicols} \pagebreak[4] \begin{figure}[ht!] \vspace{-23mm}\hspace*{-23mm}\includegraphics[scale=0.9]{Logo.jpg} \end{figure} \vspace{-15mm}\begingroup \centering \LARGE Subtraction () \\[0.5em] \endgroup \fontsize{12pt}{16pt}\selectfont \textbf{Exercise 54. Calculate..}\\ \begin{multicols}{2} \begin{enumerate}[label=\arabic*)] \setlength\itemsep{2em} \task \(\mathmakebox[1.45cm][r]{22-44}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{10-76}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{29-48}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{47-26}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{29-63}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{57-20}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{18-32}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{15-74}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{67-27}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{26-13}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{67-21}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{13-41}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{12-76}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{38-16}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{28-52}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{42-21}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{52-34}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{21-35}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{10-34}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{13-82}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{14-13}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{27-32}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{50-17}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{34-54}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{21-52}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{39-55}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{19-74}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{35-12}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{14-31}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{47-49}=\underline{\hspace{2cm}}\) \end{enumerate} \end{multicols} \pagebreak[4] \begin{figure}[ht!] \vspace{-23mm}\hspace*{-23mm}\includegraphics[scale=0.9]{Logo.jpg} \end{figure} \vspace{-15mm}\begingroup \centering \LARGE Subtraction () \\[0.5em] \endgroup \fontsize{12pt}{16pt}\selectfont \textbf{Exercise 55. Calculate..}\\ \begin{multicols}{2} \begin{enumerate}[label=\arabic*)] \setlength\itemsep{2em} \task \(\mathmakebox[1.45cm][r]{40-48}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{32-29}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{15-62}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{42-33}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{39-58}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{25-22}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{46-43}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{66-24}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{80-15}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{13-26}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{67-12}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{75-15}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{63-21}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{58-21}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{39-13}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{17-16}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{22-30}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{52-26}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{39-38}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{11-78}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{57-22}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{19-61}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{18-49}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{62-24}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{58-33}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{66-22}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{62-30}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{15-60}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{36-27}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{45-23}=\underline{\hspace{2cm}}\) \end{enumerate} \end{multicols} \pagebreak[4] \begin{figure}[ht!] \vspace{-23mm}\hspace*{-23mm}\includegraphics[scale=0.9]{Logo.jpg} \end{figure} \vspace{-15mm}\begingroup \centering \LARGE Subtraction () \\[0.5em] \endgroup \fontsize{12pt}{16pt}\selectfont \textbf{Exercise 56. Calculate..}\\ \begin{multicols}{2} \begin{enumerate}[label=\arabic*)] \setlength\itemsep{2em} \task \(\mathmakebox[1.45cm][r]{54-38}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{57-25}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{13-56}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{21-32}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{61-26}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{53-20}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{57-40}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{25-74}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{28-45}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{58-36}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{24-22}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{67-19}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{40-51}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{18-81}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{35-48}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{38-13}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{15-77}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{40-33}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{25-68}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{23-63}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{40-11}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{25-56}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{25-36}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{60-24}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{71-24}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{36-20}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{22-58}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{28-21}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{45-41}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{27-11}=\underline{\hspace{2cm}}\) \end{enumerate} \end{multicols} \pagebreak[4] \begin{figure}[ht!] \vspace{-23mm}\hspace*{-23mm}\includegraphics[scale=0.9]{Logo.jpg} \end{figure} \vspace{-15mm}\begingroup \centering \LARGE Subtraction () \\[0.5em] \endgroup \fontsize{12pt}{16pt}\selectfont \textbf{Exercise 57. Calculate..}\\ \begin{multicols}{2} \begin{enumerate}[label=\arabic*)] \setlength\itemsep{2em} \task \(\mathmakebox[1.45cm][r]{64-17}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{10-52}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{65-25}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{16-62}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{22-70}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{15-35}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{24-48}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{21-27}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{24-16}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{67-28}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{33-16}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{11-22}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{23-17}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{76-10}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{20-49}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{38-36}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{18-62}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{33-51}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{50-19}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{44-24}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{15-13}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{72-23}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{42-30}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{15-54}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{21-65}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{57-16}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{49-39}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{29-34}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{84-13}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{14-38}=\underline{\hspace{2cm}}\) \end{enumerate} \end{multicols} \pagebreak[4] \begin{figure}[ht!] \vspace{-23mm}\hspace*{-23mm}\includegraphics[scale=0.9]{Logo.jpg} \end{figure} \vspace{-15mm}\begingroup \centering \LARGE Subtraction () \\[0.5em] \endgroup \fontsize{12pt}{16pt}\selectfont \textbf{Exercise 58. Calculate..}\\ \begin{multicols}{2} \begin{enumerate}[label=\arabic*)] \setlength\itemsep{2em} \task \(\mathmakebox[1.45cm][r]{43-27}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{39-45}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{63-26}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{35-53}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{85-13}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{11-71}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{21-58}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{17-79}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{17-81}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{12-32}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{22-10}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{58-15}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{15-53}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{34-63}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{44-21}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{50-16}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{20-39}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{52-41}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{13-63}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{11-37}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{84-12}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{67-25}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{14-24}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{35-32}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{11-52}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{33-42}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{12-37}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{67-24}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{25-66}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{33-28}=\underline{\hspace{2cm}}\) \end{enumerate} \end{multicols} \pagebreak[4] \begin{figure}[ht!] \vspace{-23mm}\hspace*{-23mm}\includegraphics[scale=0.9]{Logo.jpg} \end{figure} \vspace{-15mm}\begingroup \centering \LARGE Subtraction () \\[0.5em] \endgroup \fontsize{12pt}{16pt}\selectfont \textbf{Exercise 59. Calculate..}\\ \begin{multicols}{2} \begin{enumerate}[label=\arabic*)] \setlength\itemsep{2em} \task \(\mathmakebox[1.45cm][r]{17-82}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{13-15}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{43-16}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{31-48}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{26-61}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{29-42}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{11-47}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{45-42}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{46-52}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{38-57}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{30-31}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{22-53}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{31-10}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{22-50}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{72-16}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{16-74}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{52-45}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{19-28}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{52-36}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{44-52}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{44-20}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{84-15}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{34-28}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{52-11}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{44-26}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{10-33}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{14-59}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{30-51}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{18-50}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{76-12}=\underline{\hspace{2cm}}\) \end{enumerate} \end{multicols} \pagebreak[4] \begin{figure}[ht!] \vspace{-23mm}\hspace*{-23mm}\includegraphics[scale=0.9]{Logo.jpg} \end{figure} \vspace{-15mm}\begingroup \centering \LARGE Subtraction () \\[0.5em] \endgroup \fontsize{12pt}{16pt}\selectfont \textbf{Exercise 60. Calculate..}\\ \begin{multicols}{2} \begin{enumerate}[label=\arabic*)] \setlength\itemsep{2em} \task \(\mathmakebox[1.45cm][r]{27-59}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{17-22}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{43-25}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{14-16}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{65-12}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{42-19}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{48-29}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{49-21}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{50-43}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{30-17}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{62-14}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{40-46}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{15-39}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{75-14}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{11-18}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{14-41}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{33-45}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{19-32}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{47-23}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{20-41}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{84-14}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{74-25}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{51-38}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{59-31}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{52-22}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{36-33}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{57-39}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{30-37}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{59-10}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{43-55}=\underline{\hspace{2cm}}\) \end{enumerate} \end{multicols} \pagebreak[4] \begin{figure}[ht!] \vspace{-23mm}\hspace*{-23mm}\includegraphics[scale=0.9]{Logo.jpg} \end{figure} \vspace{-15mm}\begingroup \centering \LARGE Subtraction () \\[0.5em] \endgroup \fontsize{12pt}{16pt}\selectfont \textbf{Exercise 61. Calculate..}\\ \begin{multicols}{2} \begin{enumerate}[label=\arabic*)] \setlength\itemsep{2em} \task \(\mathmakebox[1.45cm][r]{24-11}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{60-21}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{53-23}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{36-57}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{37-35}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{32-46}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{28-40}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{60-37}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{47-35}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{56-33}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{56-23}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{15-29}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{44-23}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{35-10}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{58-23}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{30-20}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{38-14}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{18-14}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{55-34}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{24-65}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{11-43}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{58-17}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{75-22}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{41-13}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{32-55}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{20-54}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{68-23}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{47-25}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{46-27}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{64-10}=\underline{\hspace{2cm}}\) \end{enumerate} \end{multicols} \pagebreak[4] \begin{figure}[ht!] \vspace{-23mm}\hspace*{-23mm}\includegraphics[scale=0.9]{Logo.jpg} \end{figure} \vspace{-15mm}\begingroup \centering \LARGE Subtraction () \\[0.5em] \endgroup \fontsize{12pt}{16pt}\selectfont \textbf{Exercise 62. Calculate..}\\ \begin{multicols}{2} \begin{enumerate}[label=\arabic*)] \setlength\itemsep{2em} \task \(\mathmakebox[1.45cm][r]{31-49}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{23-29}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{50-33}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{64-25}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{46-33}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{33-39}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{34-51}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{51-10}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{20-55}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{75-16}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{72-13}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{42-17}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{13-66}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{56-37}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{50-26}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{43-48}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{60-27}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{13-55}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{12-86}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{58-29}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{54-23}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{15-28}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{70-17}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{40-32}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{26-19}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{16-58}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{45-54}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{11-23}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{27-13}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{13-60}=\underline{\hspace{2cm}}\) \end{enumerate} \end{multicols} \pagebreak[4] \begin{figure}[ht!] \vspace{-23mm}\hspace*{-23mm}\includegraphics[scale=0.9]{Logo.jpg} \end{figure} \vspace{-15mm}\begingroup \centering \LARGE Subtraction () \\[0.5em] \endgroup \fontsize{12pt}{16pt}\selectfont \textbf{Exercise 63. Calculate..}\\ \begin{multicols}{2} \begin{enumerate}[label=\arabic*)] \setlength\itemsep{2em} \task \(\mathmakebox[1.45cm][r]{27-66}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{22-54}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{27-65}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{74-21}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{53-19}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{27-60}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{33-49}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{21-48}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{11-70}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{32-34}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{47-18}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{41-29}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{24-30}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{12-26}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{10-75}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{47-41}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{45-12}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{13-73}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{24-45}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{45-17}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{25-29}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{33-25}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{61-25}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{42-40}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{26-28}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{14-66}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{14-81}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{46-40}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{10-65}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{50-13}=\underline{\hspace{2cm}}\) \end{enumerate} \end{multicols} \pagebreak[4] \begin{figure}[ht!] \vspace{-23mm}\hspace*{-23mm}\includegraphics[scale=0.9]{Logo.jpg} \end{figure} \vspace{-15mm}\begingroup \centering \LARGE Subtraction () \\[0.5em] \endgroup \fontsize{12pt}{16pt}\selectfont \textbf{Exercise 64. Calculate..}\\ \begin{multicols}{2} \begin{enumerate}[label=\arabic*)] \setlength\itemsep{2em} \task \(\mathmakebox[1.45cm][r]{28-38}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{27-55}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{49-47}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{38-35}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{36-17}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{32-44}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{54-34}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{14-76}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{39-16}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{64-15}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{39-30}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{59-25}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{38-60}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{15-42}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{24-68}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{13-36}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{48-36}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{23-49}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{43-51}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{27-46}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{11-38}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{51-40}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{78-13}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{55-39}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{13-33}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{25-70}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{17-72}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{54-42}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{43-13}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{19-60}=\underline{\hspace{2cm}}\) \end{enumerate} \end{multicols} \pagebreak[4] \begin{figure}[ht!] \vspace{-23mm}\hspace*{-23mm}\includegraphics[scale=0.9]{Logo.jpg} \end{figure} \vspace{-15mm}\begingroup \centering \LARGE Subtraction () \\[0.5em] \endgroup \fontsize{12pt}{16pt}\selectfont \textbf{Exercise 65. Calculate..}\\ \begin{multicols}{2} \begin{enumerate}[label=\arabic*)] \setlength\itemsep{2em} \task \(\mathmakebox[1.45cm][r]{14-35}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{39-36}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{17-30}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{63-29}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{10-82}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{18-24}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{73-20}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{43-11}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{26-42}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{48-44}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{48-26}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{74-22}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{38-15}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{16-73}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{31-58}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{29-70}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{21-37}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{58-19}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{81-13}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{68-26}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{75-20}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{58-40}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{54-13}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{43-18}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{60-10}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{30-25}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{58-28}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{29-68}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{54-33}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{47-20}=\underline{\hspace{2cm}}\) \end{enumerate} \end{multicols} \pagebreak[4] \begin{figure}[ht!] \vspace{-23mm}\hspace*{-23mm}\includegraphics[scale=0.9]{Logo.jpg} \end{figure} \vspace{-15mm}\begingroup \centering \LARGE Subtraction () \\[0.5em] \endgroup \fontsize{12pt}{16pt}\selectfont \textbf{Exercise 66. Calculate..}\\ \begin{multicols}{2} \begin{enumerate}[label=\arabic*)] \setlength\itemsep{2em} \task \(\mathmakebox[1.45cm][r]{57-21}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{41-51}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{17-53}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{59-11}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{31-68}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{36-62}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{62-34}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{62-10}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{27-19}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{22-21}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{68-25}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{39-53}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{72-21}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{39-40}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{39-23}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{36-55}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{23-76}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{29-46}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{40-13}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{11-87}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{65-34}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{19-65}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{50-39}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{25-44}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{18-47}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{38-43}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{37-16}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{56-20}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{63-11}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{66-14}=\underline{\hspace{2cm}}\) \end{enumerate} \end{multicols} \pagebreak[4] \begin{figure}[ht!] \vspace{-23mm}\hspace*{-23mm}\includegraphics[scale=0.9]{Logo.jpg} \end{figure} \vspace{-15mm}\begingroup \centering \LARGE Subtraction () \\[0.5em] \endgroup \fontsize{12pt}{16pt}\selectfont \textbf{Exercise 67. Calculate..}\\ \begin{multicols}{2} \begin{enumerate}[label=\arabic*)] \setlength\itemsep{2em} \task \(\mathmakebox[1.45cm][r]{41-18}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{12-79}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{51-14}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{74-20}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{55-40}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{56-24}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{40-59}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{22-57}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{39-41}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{52-12}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{45-27}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{25-34}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{32-42}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{14-63}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{22-28}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{37-15}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{49-43}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{29-10}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{62-17}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{18-73}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{20-26}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{53-29}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{34-45}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{48-16}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{10-67}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{17-46}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{64-29}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{17-66}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{21-29}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{31-36}=\underline{\hspace{2cm}}\) \end{enumerate} \end{multicols} \pagebreak[4] \begin{figure}[ht!] \vspace{-23mm}\hspace*{-23mm}\includegraphics[scale=0.9]{Logo.jpg} \end{figure} \vspace{-15mm}\begingroup \centering \LARGE Subtraction () \\[0.5em] \endgroup \fontsize{12pt}{16pt}\selectfont \textbf{Exercise 68. Calculate..}\\ \begin{multicols}{2} \begin{enumerate}[label=\arabic*)] \setlength\itemsep{2em} \task \(\mathmakebox[1.45cm][r]{70-13}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{19-31}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{40-42}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{20-57}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{56-15}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{23-15}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{36-53}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{15-56}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{28-35}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{13-12}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{48-12}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{53-13}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{22-45}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{34-30}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{44-42}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{42-38}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{28-64}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{25-67}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{36-19}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{31-62}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{54-10}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{68-16}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{14-69}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{22-73}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{43-38}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{78-11}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{26-63}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{35-14}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{69-29}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{36-42}=\underline{\hspace{2cm}}\) \end{enumerate} \end{multicols} \pagebreak[4] \begin{figure}[ht!] \vspace{-23mm}\hspace*{-23mm}\includegraphics[scale=0.9]{Logo.jpg} \end{figure} \vspace{-15mm}\begingroup \centering \LARGE Subtraction () \\[0.5em] \endgroup \fontsize{12pt}{16pt}\selectfont \textbf{Exercise 69. Calculate..}\\ \begin{multicols}{2} \begin{enumerate}[label=\arabic*)] \setlength\itemsep{2em} \task \(\mathmakebox[1.45cm][r]{21-46}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{16-29}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{19-78}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{79-13}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{26-30}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{54-21}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{30-58}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{21-67}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{32-23}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{18-37}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{42-56}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{42-27}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{65-27}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{19-17}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{34-29}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{22-14}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{14-57}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{21-47}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{31-34}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{32-36}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{13-77}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{52-21}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{52-42}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{33-52}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{13-86}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{53-45}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{57-38}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{83-12}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{35-27}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{20-51}=\underline{\hspace{2cm}}\) \end{enumerate} \end{multicols} \pagebreak[4] \begin{figure}[ht!] \vspace{-23mm}\hspace*{-23mm}\includegraphics[scale=0.9]{Logo.jpg} \end{figure} \vspace{-15mm}\begingroup \centering \LARGE Subtraction () \\[0.5em] \endgroup \fontsize{12pt}{16pt}\selectfont \textbf{Exercise 70. Calculate..}\\ \begin{multicols}{2} \begin{enumerate}[label=\arabic*)] \setlength\itemsep{2em} \task \(\mathmakebox[1.45cm][r]{33-64}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{51-28}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{15-65}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{67-22}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{58-13}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{48-17}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{19-14}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{28-43}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{45-33}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{30-47}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{38-33}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{34-53}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{16-70}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{45-49}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{45-44}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{49-29}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{35-25}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{18-20}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{13-76}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{37-44}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{60-34}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{59-13}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{19-40}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{40-17}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{32-59}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{37-43}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{17-39}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{30-69}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{11-21}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{34-55}=\underline{\hspace{2cm}}\) \end{enumerate} \end{multicols} \pagebreak[4] \begin{figure}[ht!] \vspace{-23mm}\hspace*{-23mm}\includegraphics[scale=0.9]{Logo.jpg} \end{figure} \vspace{-15mm}\begingroup \centering \LARGE Subtraction () \\[0.5em] \endgroup \fontsize{12pt}{16pt}\selectfont \textbf{Exercise 71. Calculate..}\\ \begin{multicols}{2} \begin{enumerate}[label=\arabic*)] \setlength\itemsep{2em} \task \(\mathmakebox[1.45cm][r]{23-12}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{27-53}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{16-21}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{43-15}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{64-11}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{14-19}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{36-22}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{53-42}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{28-62}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{41-11}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{18-40}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{42-20}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{48-15}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{11-42}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{30-42}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{38-56}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{53-40}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{35-16}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{23-54}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{58-18}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{10-74}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{26-67}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{62-31}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{53-14}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{20-53}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{69-14}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{30-33}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{11-14}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{40-52}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{55-28}=\underline{\hspace{2cm}}\) \end{enumerate} \end{multicols} \pagebreak[4] \begin{figure}[ht!] \vspace{-23mm}\hspace*{-23mm}\includegraphics[scale=0.9]{Logo.jpg} \end{figure} \vspace{-15mm}\begingroup \centering \LARGE Subtraction () \\[0.5em] \endgroup \fontsize{12pt}{16pt}\selectfont \textbf{Exercise 72. Calculate..}\\ \begin{multicols}{2} \begin{enumerate}[label=\arabic*)] \setlength\itemsep{2em} \task \(\mathmakebox[1.45cm][r]{44-33}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{54-11}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{27-70}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{55-31}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{33-20}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{26-72}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{57-41}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{35-52}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{72-22}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{43-39}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{10-54}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{37-27}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{38-17}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{64-35}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{47-12}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{14-53}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{56-28}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{80-12}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{46-48}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{30-63}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{41-50}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{16-71}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{56-41}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{76-20}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{35-56}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{73-11}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{14-43}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{40-39}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{54-14}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{38-51}=\underline{\hspace{2cm}}\) \end{enumerate} \end{multicols} \pagebreak[4] \begin{figure}[ht!] \vspace{-23mm}\hspace*{-23mm}\includegraphics[scale=0.9]{Logo.jpg} \end{figure} \vspace{-15mm}\begingroup \centering \LARGE Subtraction () \\[0.5em] \endgroup \fontsize{12pt}{16pt}\selectfont \textbf{Exercise 73. Calculate..}\\ \begin{multicols}{2} \begin{enumerate}[label=\arabic*)] \setlength\itemsep{2em} \task \(\mathmakebox[1.45cm][r]{13-72}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{37-60}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{56-14}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{75-24}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{69-22}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{51-13}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{13-62}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{50-47}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{11-46}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{29-66}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{27-17}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{24-70}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{52-17}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{50-28}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{37-29}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{37-30}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{34-36}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{22-71}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{42-52}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{14-58}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{19-76}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{51-15}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{75-21}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{59-38}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{27-29}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{61-33}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{37-59}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{46-32}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{29-53}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{36-12}=\underline{\hspace{2cm}}\) \end{enumerate} \end{multicols} \pagebreak[4] \begin{figure}[ht!] \vspace{-23mm}\hspace*{-23mm}\includegraphics[scale=0.9]{Logo.jpg} \end{figure} \vspace{-15mm}\begingroup \centering \LARGE Subtraction () \\[0.5em] \endgroup \fontsize{12pt}{16pt}\selectfont \textbf{Exercise 74. Calculate..}\\ \begin{multicols}{2} \begin{enumerate}[label=\arabic*)] \setlength\itemsep{2em} \task \(\mathmakebox[1.45cm][r]{15-70}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{17-19}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{18-58}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{52-27}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{35-28}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{38-40}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{31-29}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{46-53}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{38-46}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{55-18}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{19-58}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{15-21}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{36-47}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{38-54}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{24-73}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{25-37}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{88-10}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{61-21}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{20-64}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{56-30}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{44-54}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{20-66}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{14-47}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{12-54}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{12-31}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{41-38}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{82-10}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{27-40}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{69-18}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{58-16}=\underline{\hspace{2cm}}\) \end{enumerate} \end{multicols} \pagebreak[4] \begin{figure}[ht!] \vspace{-23mm}\hspace*{-23mm}\includegraphics[scale=0.9]{Logo.jpg} \end{figure} \vspace{-15mm}\begingroup \centering \LARGE Subtraction () \\[0.5em] \endgroup \fontsize{12pt}{16pt}\selectfont \textbf{Exercise 75. Calculate..}\\ \begin{multicols}{2} \begin{enumerate}[label=\arabic*)] \setlength\itemsep{2em} \task \(\mathmakebox[1.45cm][r]{12-11}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{24-17}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{36-63}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{39-24}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{25-20}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{11-39}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{46-14}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{29-38}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{43-28}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{15-48}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{55-32}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{34-35}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{36-56}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{13-18}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{17-48}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{22-67}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{70-21}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{28-42}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{56-32}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{55-13}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{51-24}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{42-13}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{15-41}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{63-10}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{30-68}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{32-60}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{54-40}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{18-66}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{56-38}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{33-50}=\underline{\hspace{2cm}}\) \end{enumerate} \end{multicols} \pagebreak[4] \begin{figure}[ht!] \vspace{-23mm}\hspace*{-23mm}\includegraphics[scale=0.9]{Logo.jpg} \end{figure} \vspace{-15mm}\begingroup \centering \LARGE Subtraction () \\[0.5em] \endgroup \fontsize{12pt}{16pt}\selectfont \textbf{Exercise 76. Calculate..}\\ \begin{multicols}{2} \begin{enumerate}[label=\arabic*)] \setlength\itemsep{2em} \task \(\mathmakebox[1.45cm][r]{11-17}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{71-27}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{60-11}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{31-13}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{45-26}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{28-57}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{29-33}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{59-33}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{23-39}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{40-26}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{14-70}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{13-38}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{11-74}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{75-17}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{39-60}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{48-11}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{11-56}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{24-19}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{21-68}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{42-24}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{30-29}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{34-57}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{25-19}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{55-14}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{40-15}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{11-24}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{11-30}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{22-41}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{67-11}=\underline{\hspace{2cm}}\) \task \(\mathmakebox[1.45cm][r]{43-35}=\underline{\hspace{2cm}}\) \end{enumerate} \end{multicols} \pagebreak[4] \begin{figure}[ht!] \vspace{-23mm}\hspace*{-23mm}\includegraphics[scale=0.9]{Logo.jpg} \end{figure} \vspace{-15mm}\begingroup \centering \LARGE Subtraction () \\[0.5em] \endgroup \fontsize{12pt}{16pt}\selectfont \textbf{Exercise 77. Calculate..}\\ \begin{multicols}{2} \begin{enumerate}[label=\arabic*)] \setlength\itemsep{2em} \task \(\mathmakebox[1.45cm][r]{43-10}=\underline{\hspace{2cm}}\) ...