2018-11-21(2)

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

namespace ConsoleApplication1

{

class Program

{

static void Main(string[] args)

{

Console.WriteLine("请输入一个正整数");

string str_number = Console.ReadLine();

int number = Convert.ToInt32(str_number);

for(int a=0;a<=number;a++)

{

Console.WriteLine("{0}+{1}={2}",a,number-a,number);

}

Console.ReadKey();

}

}

}