#include
#include
int main()
{
float a,b;
printf("请输入2个数:");
scanf("%f%f",&a,&b);
printf("%.2f+%.2f=%.2f\n",a,b,(a+b));
printf("%.2f-%.2f=%.2f\n",a,b,(a-b));
printf("%.2f*%.2f=%.2f\n",a,b,(a*b));
printf("%.2f/%.2f=%.2f\n",a,b,(a/b));
system("pause");
}
搞定 希望可以帮到你 如果可以记得给分哦