c语言。输入三个实型数据 求最大值比平均数大多少 定义和调用函数 Max...答:include <stdio.h>double Max(double a,double b,double c);double Avg(double a,double b,double c);int main() {double a,b,c;printf("输入三个数,空格隔开:"); scanf("%lf%lf%lf",&a,&b,&c);printf("最大值比平均值大%lf\n",Max(a,b,c) - Avg(a,b,c)); retu...