#include<stdio.h>
void main ( )
{
float num1,num2;
char op =·0·;
while(op!=·#·){
print(“\n\n———————————————————————————-\n”);
print(“ 欢迎使用四则运损计算器\n \n”);
print(“请输入操作数1、运算符、操作数2: ”);
scanf(“%f%c%f”,&num1,&op,&num2);
switch(op){
case ·+·:
printf(“%f%c%f=%f\n”,num1,num2,num1+num2);
break;
case ·—·:
printf(“%f%c%f=%f\n”,num1,num2,num1—num2);
break;
case ·*·:
printf(“%f%c%f=%f\n”,num1,num2,num1*num2);
break;
case ·\·:
printf(“%f%c%f=%f\n”,num1,num2,num1\num2);
break;
default:
printf(“Unknown operator\n”)
}
print(“\n\n———————————————————————————-\n”);
}
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