Used crt;

Var a,b;

Begin

Clrscr;

Writeln(‘Nhap a:’);Readln(a);

Write(‘Nhap b:’);Readln(b);

Clrscr;

Writeln(‘Tong la:’,a+b);

If m>n then writeln(‘Hieu la:’,a-b) else writeln(‘Hieu la:’,b-a);

Writeln(‘Tich la:’,a*b);

If n<>0 then write(‘Thuong la:’,a:b) else if m<>0 then write(‘Thuong la:’,b:a) else write(‘ Ko tinh dc’);

Readln;

End.