sphloveacm's submissions for 1054 求平均数

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sphloveacm
on Oct. 2, 2008, 10:42 p.m.
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sphloveacm
on Oct. 2, 2008, 8:57 p.m.
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152.00 KB
sphloveacm
on Oct. 2, 2008, 8:45 p.m.
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152.00 KB