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 UID223414 帖子347 主题11 注册时间2011-7-11 最后登录2014-8-6 
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3#
 
 发表于 2011-7-11 19:01 
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| There are a million calculations to learn, but none of them are very difficult on their own. There is some calculus in option pricing, etc., but you just need to know the theory there. 
 I'd take ten hard calculations over 100 easier ones any day...
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