[數學]FAMAT fall 2007 interschool (A)

QC 於 星期六 十一月 10, 2007 8:18 pm


Your original thinking is very cool, and it's a very very good approximation.

I'm sorry for skiping some steps/explanations at first.
CCC

QC
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註冊時間: 2007-11-02






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