乘的类 

 1 using System;
 2 using System.Collections.Generic;
 3 using System.Linq;
 4 using System.Text;
 5 using System.Threading.Tasks;
 6 
 7 namespace jj4
 8 {
 9   public  class SS:Operation
10     {
11       public override double GetResult()
12       {
13           double result = NumberA * NumberB;
14           return result;
15       }
16     }
17 }
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posted @ 2017-04-10 23:57  南城。  阅读(118)  评论(0)    收藏  举报