#include <stdio.h>int main()
{
int a,b,c,sum;
double avg;
printf("输入三个数:");
scanf("%d%d%d",&a,&b,&c);
sum = a+b+c;
avg = sum/3.0;
printf("和:%d\n",sum);
printf("平均值:%lf\n",avg);
return 0;
}
#include <stdio.h>
void main()
{
int i1,i2,i3,sum,avg;
scanf("%d",&i1);
scanf("%d",&i2);
scanf("%d",&i3);
sum=i1+i2+i3;
avg=sum/3;
printf("sum is %d\n",sum);
printf("avg is %d\n",avg);
getch();
}