Bài 1:
Uses crt;
Var a, b: integer;
Begin
Clrscr;
Write('Nhap a va b: '); readln(a, b);
Writeln('Ket qua ',a,' div ',b,' la: ',a div b);
Writeln('Ket qua ',a,' mod ',b,' la: ',a mod b);
Readln
end.
Bài 2:
Uses crt;
Var a: integer;
Begin
Clrscr;
Write('Nhap so nguyen a: '); readln(a);
If a>=0 then writeln(a,' la so nguyen duong')
Else writeln(a,' khong la so nguyen duong');
Readln
end.
Bài 3:
Uses crt;
Var n: integer;
Begin
Clrscr;
Write('Nhap n = '); readln(n);
If (n mod 3 = 0) and (n mod 5 = 0) then writeln(n, ' chia het cho 3 va 5');
Readln
end.