#include<stdio.h>
int main()
{
double a=0;
double b=0;
? ? ? ? ?dou ble c=0;
printf("請(qǐng)輸入三位數(shù):");
scanf("%lf%lf%lf",&a,&b,&c);
printf("平均數(shù)為:%f",(a+b+c)/3);
return 0;
}
#include<stdio.h>
int main()
{
double a=0;
double b=0;
? ? ? ? ?dou ble c=0;
printf("請(qǐng)輸入三位數(shù):");
scanf("%lf%lf%lf",&a,&b,&c);
printf("平均數(shù)為:%f",(a+b+c)/3);
return 0;
}