无放回简单随机抽样方法抽出4个随机数用C语言怎么写,意要求采用编程语言...答:(1)include "stdio.h"#include <stdlib.h>#include "time.h"int main(int argc,char *argv[]){int a[]={20,31,50,52,56,60,63,72,110,112},i,k,t,x;srand((unsigned)time(NULL));for(k=10,i=0;i<4;i++){printf("%d ",a[t=rand()%k]);x=a[t],a[t]=a[--k],...