#include<stdio.h>
int main()
{
int A,B;
while(scanf("%d%d",&A,&B)!=EOF)
{
printf("%d + %d = %d\n",A,B,A+B);
printf("%d - %d = %d\n",A,B,A-B);
printf("%d * %d = %d\n",A,B,A*B);
printf("%d / %d = %d\n",A,B,A/B);
}
}
转载于:https://www.cnblogs.com/abc-24990/p/4257518.html