#include <stdio.h>
int main (void)
{
int a,b;
scanf ("%d , %d",&a,&b);
int s,j;
s= a+b;
j= a*b;
printf("%d+%d=%d\n%d*%d=%d",a,b,s,a,b,j);
return 0 ;
}
关键的printf("%d+%d=%d\n%d*%d=%d",a,b,s,a,b,j);
我才知道原来要一一对应