c语言实现简单的加减乘除运算---@颜麓
//实现简单的加减乘除运算
#include<>
int main()
{
double x,y;
char chars;
printf("请输入两个数加减乘除运算：");
scanf("%lf%c%lf",&x,&chars,&y);
switch(chars)
{
case '+':printf("%f+%f=%2f",x,y,x+y);break;
case '-':printf("%f-%f=%f",x,y,x-y);break;
case '*':printf("%f*%f=%f",x,y,x*y);break;
case '/':if(y==0)
printf("erro!");
else
printf("%f/%f=%f",x,y,x/y);break;
default :printf("erro!");
}
return 0;
}