Bài 1 :
uses crt;
var a, b, c, min : integer;
begin
clrscr;
write('Nhap ba so a, b, c : '); readln(a, b, c);
min := c;
if b < min then min := b;
if a < min then min := a;
write('So nho nhat : ', min);
readln
end.
Bài 2 :
uses crt;
var s, t : longint;
begin
clrscr;
write('Nhap so dien tieu thu : '); readln(s);
if s <= 100 then t := 500 * s
else t := 100 * 500 + (s - 100) * 1000;
writeln('Tien phai tra : ', t);
readln
end.