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- 北京一零一中学2003届高三8班论坛 (http://www.bj101zx.com/cgi-bin/lb5000/leobbs.cgi)
-- [数学] (http://www.bj101zx.com/cgi-bin/lb5000/forums.cgi?forum=6)
--- 判断一下 (http://www.bj101zx.com/cgi-bin/lb5000/topic.cgi?forum=6&topic=138)