1 using System;
 2 using System.Collections.Generic;
 3 using System.Linq;
 4 using System.Text;
 5 
 6 namespace HelloWorld2
 7 {
 8     class Program
 9     {
10         static void Main(string[] args)
11         {
12             for (int i = 1; i < 10; i++)
13             {
14                 for (int j = 1; j <= i; j++)
15                 {
16                     Console.Write(j + "*" + i + "=" + j * i + " ;");
17                     if (j == i)
18                     {
19                         Console.WriteLine(); //换行
20                     }
21                        
22                 }
23             }
25             Console.ReadLine();
26         }
27     }
28 }