include<stdio.h> 
#include<conio.h> 
int main () 
{ 
float a,b; 
printf("nhap so thu nhat: "); 
scanf("%f",&a); 
printf("\nnhap so thu hai: "); 
scanf("%f",&b); 
printf("\ntong: %.2f + %.2f = %.2f\n",a,b,a+b); 
printf("hieu: %.2f - %.2f = %.2f\n",a,b,a-b); 
printf("tich: %.2f * %.2f = %.2f\n",a,b,a*b); 
printf("thuong: %.2f : %.2f = %.2f\n",a,b,a/b); 
getch (); 
return 0; 
}