用C语言编写小学运算测试程序(要求完成10以内的加减运算,能根据用户输 ...答:include <stdio.h> include <stdlib.h> include int yunsuan(int M,int NUM){ int m=1,n=0,a,b,daan;while(1){ srand(time(0));a=rand()%M;b=rand()%M;switch(1+rand()%2){ case 1: //加 { printf("<%d>",m);printf("%4d+%4d=",a,b);scanf("%d",&daan);if(...