编辑代码

#include <stdio.h>
int main () {
    int a,b,c;
    scanf("%d %d",&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);
    printf("%d+%d=%d\n",a,b,a/b);
    return 0;
}