#include<stdio.h>
int main()
{
void fun(double*x,double*y,double*sum,double*sub);
double a,b,sum,sub;
printf("请输入两个浮点数:");
scanf("%lf %lf",&a,&b);
fun(&a,&b,&sum,&sub);
printf("两数之和为:%1.2lf\n",sum);
printf("两数之差为:%1.2lf\n",sub);
return 0;
}
void fun(double*x,double*y,double*sum,double*sub)
{
*sum=*x+*y;
*sub=*x-*y;
}
做c语言书面作业的?
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