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Giai pt bac 2
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//fpc 3.0.0 program HelloWorld; Uses crt; Var a,b,c,X1,X2,D, R: real; begin Clrscr; Writeln( ' nhap a ,b,c'); Readln(a,b,c); D:= b*b-4*a*c; Writeln(a:6:0,'x^2+', b:6:0,'x+',c:6:0,'=0'); If D>=0 then Begin R:= sqrt(D); X1:=(-b+R)/(2*a); X2:= -b/a- X1; Writeln ( ' hai nghiem LAN luot la', X1:6:2,' va', X2:6:2); End Else writeln(' pt vo nghiem'); Readln end.
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Compilation time: 0.23 sec, absolute running time: 0.29 sec, cpu time: 0.21 sec, memory peak: 3 Mb, absolute service time: 0,62 sec
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nhap a ,b,c 1x^2+ 3x+ 2=0 hai nghiem LAN luot la -1.00 va -2.00