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beibei0220311½ð³æ (СÓÐÃûÆø)
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ÇóÖú¶¨»ý·Ö ¡Òe^(-x^2)dxÒÑÓÐ1È˲ÎÓë
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just_playÖÁ×ðľ³æ (ÕýʽдÊÖ)
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¡¾´ð°¸¡¿Ó¦Öú»ØÌû
beibei0220311(½ð±Ò+5): 2011-05-16 14:52:14
soliton923: ллר¼ÒµÄ²ÎÓë~~ 2011-05-16 16:57:54
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2Â¥2011-05-16 11:10:48
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xcwhssÖÁ×ðľ³æ (ÕýʽдÊÖ)
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¡¾´ð°¸¡¿Ó¦Öú»ØÌû
¡ï
beibei0220311(½ð±Ò+5): 2011-05-16 14:52:24 soliton923(½ð±Ò+1): лл²ÎÓë~~ 2011-05-16 16:58:05
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3Â¥2011-05-16 13:56:41
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beibei0220311½ð³æ (СÓÐÃûÆø)
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4Â¥2011-05-16 14:55:02
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math105½ð³æ (ÕýʽдÊÖ)
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5Â¥2011-05-16 17:46:31
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lsj9035Ìú³æ (³õÈëÎÄ̳)
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6Â¥2011-07-02 11:28:21
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zlmlohrľ³æ (ÕýʽдÊÖ)
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¡¾´ð°¸¡¿Ó¦Öú»ØÌû
¡ï
soliton923(½ð±Ò+1): »¶ÓÌÖÂÛ~~ 2011-07-03 16:46:55
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7Â¥2011-07-03 10:14:46
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Ëï?ª730ÖÁ×ðľ³æ (ÖªÃû×÷¼Ò)
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¡ï
math105(½ð±Ò+1): лл²ÎÓë»Ø´ð 2011-07-04 00:15:41
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8Â¥2011-07-03 21:44:38
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à¢È»³¾ÊÀľ³æ (ÕýʽдÊÖ)
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9Â¥2014-04-14 23:09:22
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