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7 Replies
8361 Views
Last post December 20, 2012, 01:55:59 AM
by Victor Ivrii
Problem5

Started by Murat Gokmen

10 Replies
8989 Views
Last post October 16, 2012, 03:16:13 PM
by Bowei Xiao
Problem 1

Started by Kun Guo

11 Replies
9346 Views
Last post October 14, 2012, 08:15:42 AM
by Zarak Mahmud
Problem 6

Started by Bowei Xiao

13 Replies
10454 Views
Last post October 11, 2012, 03:27:56 PM
by Victor Ivrii
10 Replies
10588 Views
Last post October 11, 2012, 05:11:34 AM
by Victor Ivrii
problem 3

Started by Thomas Nutz « 1 2 »

19 Replies
16243 Views
Last post December 18, 2012, 07:20:40 PM
by Fanxun Zeng

 

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