用c语言编写:输入任意多个数,输出最大数,最小数及平均值(输入时是负...答:include <stdio.h> int main(){ int x;int max,min,count=0;float sum=0,average;scanf("%d ",&x);max=min=x;while(scanf("%d",&x),x>=0){ if(max<x)max=x;if(min>x)min=x;sum+=x;count++;} average=sum/count;printf("max=%d,min=%d,average=%f",max,min,average);}...