1. 

   Giga

   

    

   Giga, Apr 2, 2010

   #21
2. 

   noxiwg

   21-15利润，
   －50风险损失，
   二者之和即为总的收益为44圆。
   
   清楚？？？

    

   noxiwg, Apr 14, 2010

   #22
3. 

   dgalex

   小米赔了
   15 + (50-21) + 50 = 94

    

   dgalex, Apr 22, 2010

   #23

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