C#中输出乘法口诀表

using System;

namespace ConsoleApplication9
{
    class Program
    {
       
       static void Main(string[] args)
       {
           for(int a= 1;a <= 9;a++ )
           {
              for(int b = 1;b <=a;b++)
              {
                 int x = b * a;
                 Console.Write("{0}*{1}={2} ",b,a,x);
              }
              Console.WriteLine();
          } 
          Console.ReadLine();
       }
    }
}

运行结果：