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5Â¥: Originally posted by »¨ÂäÁ÷Ë® at 2012-04-08 17:53:44:

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7Â¥: Originally posted by Ëæ·çÈ¥ at 2012-04-08 19:41:37:
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3Â¥: Originally posted by һɽ at 2012-04-08 17:14:54: ÓÃmachematica½âµÃ£º (I x^2)/2 - x Log + 1/2 I PolyLog

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