编程:定义一个函数,计算一个int类型数组元素的平均值;在main函数中调用...答:include<stdio.h> double ave(int *a, int N){ double mean=0;int i;for (i=0;i<N;i++) mean=mean+a[i];mean = mean / N;return mean;} int main(){ int x[ ]={11,21,31,41,51,61,71,81,91,10}; //声明与初始化 int N; //数组元素个数 double r; //平均值...