include <stdio.h>
main(){
/* float a,b;
char c;
printf("\n\t\t简单的计算器实现\n");
printf("\n\t\t请您输入两个数据同时选择操作符example:a+(-,*,/)b\n");
scanf("%f%c%f",&a,&c,&b);
switch(c){
case '+': printf("\n\t\t两个数之和为:%.1f",a+b);break;
case '-': printf("\n\t\t两个数之差为:%.1f",a-b);break;
case '*': printf("\n\t\t两个数之积为:%.1f",a*b);break;
case '/': printf("\n\t\t两个数之商为:%.1f",a/b);break;
default:printf("您的输入有误,请您按照格式重新输入!!");
}
}