xiaoye's submissions for 1180 级数求和

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xiaoye
on Jan. 22, 2009, 4:13 p.m.
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xiaoye
on Jan. 22, 2009, 4:07 p.m.
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152.00 KB
xiaoye
on Jan. 22, 2009, 4:05 p.m.
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152.00 KB
xiaoye
on Jan. 22, 2009, 4:00 p.m.
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152.00 KB
xiaoye
on Jan. 22, 2009, 3:59 p.m.
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152.00 KB
xiaoye
on Jan. 22, 2009, 3:57 p.m.
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152.00 KB