新手求解

julius

#include <stdio.h>
#include <stdlib.h>
#include <windows.h>
int main()
{
    int a,b,c;
    a=9;
    b=3;
    c=a+b;
    printf("%d+%d=%d\n",a,b,c);
c=a-b;
    printf("%d-%d=%d\n",a,b,c);
    c=a*b;
    printf("%d*%d=%d\n",a,b,c);
    c=a/b;
    printf("%d/%d=%d\n",a,b,c);
    Sleep(5000);
return 0;
}