C语言求分数四则运算的问题,求大神解答!!!答:include<stdio.h> int Abc(int a,int b){ int m;if(a>b)m=a,a=b;b=m;for(m=a;m>1;m--){ if(a%m==0&&b%m==0)return m;} return 0;} main(){ int a, b, c,d,e,f ,g, h, i;char x;printf("PLEAse input a*b\n");scanf("%d%d",&a,&b);getchar();scan...