liujia's submissions for 1180 级数求和

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liujia
on July 12, 2009, 9:44 a.m.
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liujia
on July 12, 2009, 9:43 a.m.
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152.00 KB
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AC | C
liujia
on July 12, 2009, 9:42 a.m.
0.01s
152.00 KB
liujia
on July 12, 2009, 9:20 a.m.
0.01s
152.00 KB
liujia
on July 12, 2009, 9:19 a.m.
0.01s
152.00 KB
liujia
on July 12, 2009, 9:18 a.m.
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152.00 KB
liujia
on July 12, 2009, 9:17 a.m.
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152.00 KB
liujia
on July 12, 2009, 9:14 a.m.
0.01s
152.00 KB