学费时间都好算,就是将来的回报???
所有跟帖:
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Easy...$xx million time yy% probability :)
-xc08-
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09/19/2009 postreply
14:27:11
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My question is actually what are xx and yy? Thank you.
-mz6699-
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09/20/2009 postreply
13:13:17