The writer is not qualified being my student.

來源: jinjing 於 2010-11-18 12:40:18 [] [舊帖] [給我悄悄話] 本文已被閱讀： 次 (283 bytes)
回答: 標準答案 13/15 由 guest007 於 2010-11-18 07:48:46

The f(x,y) the larger the better for X, but inverce for Y,the other Eq. is -.6y + .4=0.

get the same number.but,....I think you should Know.The Q is not good because you don't know it is game or Prob Q. If it is game, X takes sea is optimal. So.I use 007 and coin ....

所有跟帖： 

• The answer is right, but y=2/3 is wrong. The trick is that y be -jinjing- ♀ 給 jinjing 發送悄悄話 (58 bytes) () 11/19/2010 postreply 08:28:03

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