2018-11-21作业1

using System;

 using System.Collections.Generic;

 using System.Linq;

 using System.Text;

namespace ConsoleApplication1

{

class Program

 {

 static void Main(string[] args)

 {

Console.WriteLine("请输入一个数字");

 int num = Convert.ToInt32(Console.ReadLine());

for (int i = 0; i <= num; i++)

{

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

 }

Console.ReadKey();

                  }

         }

 }