...主函数输入两个整数,用四个函数去求四则运算呢结果,主函数分别调 ...答:include<stdio.h>void main(){ int a(int x,int y);int b(int x,int y); int c(int x,int y);float d(float x,float y); int x,y; scanf("%d,%d",&x,&y); printf("x=%d,y=%d.\nx+y=%d.\nx-y=%d.\nx*y=%d.\nx/y=%f.\n",x,y,a(x,y),b(x,y),c(x,y...
c语言用switch编写一个简单的四则运算程序答:float fFloat1=.0,fFloat2=.0;char cOP=NULL;printf("请输入要进行四则运算表达式:\n");scanf("%f%c%f",&fFloat1,&cOP,&fFloat2);switch(cOP){ case '+':printf("%f+%f=%f\n",fFloat1,fFloat2,fFloat1+fFloat2);break;case '-':printf("%f-%f=%f\n",fFloat1,fFloat2,f...