using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace ConsoleApplication1
{
class Program
{
static void Main(string[] args)
{
int n = 0;
int m = 0;
int result = 0;
string sign;
Console.WriteLine("请输入一个数:");
n = int.Parse(Console.ReadLine());
Console.WriteLine("再输入一个数: ");
m = int.Parse(Console.ReadLine());
Console.WriteLine("请输入运算符号:");
sign = Console.ReadLine();
switch (sign)
{
case "+":
result = n + m;
break;
case "-":
result = n - m;
break;
case "*":
result = n * m;
break;
case "/":
result = n / m;
break;
}
Console.WriteLine("结果是:" + result.ToString());
Console.ReadKey();
}
}
}
原文:https://www.cnblogs.com/haorui066/p/9675790.html