Question

Answer 1

program tinh;

uses crt;

var a, b : integer;

begin

clrscr;

write('nhap so nguyen a :');redaln(a);

write('nhap so nguyen b:');readln(b);

writeln('gia tri cua bieu thuc 1 la :', (a + b)*(a - b));

writeln('gia tri cua bieu thuc 2 la :', a*a*a - b*b*b);

writeln('gia tri cua bieu thuc 3 la :', a*a*a - 2*a*b + b*b);

writeln('gia tri cua bieu thuc 4 la :', (a - b)/(a + b));

readln

end.

Answer 2

program tinh;

uses crt;

var a, b : integer;

begin

clrscr;

write('nhap so nguyen a :');redaln(a);

write('nhap so nguyen b:');readln(b);

writeln('gia tri cua bieu thuc 1 la :', (a + b)*(a - b));

writeln('gia tri cua bieu thuc 2 la :', a*a*a - b*b*b);

writeln('gia tri cua bieu thuc 3 la :', a*a*a - 2*a*b + b*b);

writeln('gia tri cua bieu thuc 4 la :', (a - b)/(a + b));

readln

end.