C语言求分数四则运算,不能运行?答:include<stdio.h> int main() { int a,b,c,d,x,y;int sum = 1,fz,fm;char op;scanf("%d%d",&a,&b);scanf("%c",&op);scanf("%d%d",&c,&d);switch(op) { case '+':x = a*d + b*c;y = b*d;break;case '-':x = a*d - b*c;y = b*d;break;case '*':...
c语言写四则运算...输入一个等式。。。再输入结果。。。判断正误...答:include<stdio.h> include<conio.h> void main(){ while(1){ int a=0,b=0,c=0,result,key;char d;printf("输入两个整数:\n");scanf("%d",&a);scanf("%d",&b);printf("选择算法 '+','-','*','/' \n");scanf(" %c",&d);printf("输入计算结果:\n");scanf("%d",&...