c语言题目,求1.2.3题答案,多谢大佬!答:(1)include "stdio.h"int mygcd(int a,int b){int r;while(b)r=a%b,a=b,b=r;return a;}int mylcm(int a,int b){int t=a;while(a%b)a+=t;return a;}int main(int argv,char *argc[]){int a,b;printf("Input 2 positive integers...\n");scanf("%d%d",&a,&b);...