c语言题目,求1.2.3题答案,多谢大佬!答:mygcd(a,b));printf("The LCM if %d\n",mylcm(a,b));return 0;}运行样例:(2)include "stdio.h"#include "math.h"int main(int argv,char *argc[]){double a,b,c,t,f;printf("Input 3 number(R:)...\n");scanf("%lf%lf%lf",&a,&b,&c);t = (t=b*b-4*a*c)>...