








gaojian2009 发表于 2012-3-29 08:37
http://www.math.uestc.edu.cn/mathmodeling/mathmodlingbss/attachment/Mon_1203/16_66_dfbf1fcab8cdea3.p ...
gaojian2009 发表于 2012-3-29 08:37
http://www.math.uestc.edu.cn/mathmodeling/mathmodlingbss/attachment/Mon_1203/16_66_dfbf1fcab8cdea3.p ...
gaojian2009 发表于 2012-3-29 08:37
http://www.math.uestc.edu.cn/mathmodeling/mathmodlingbss/attachment/Mon_1203/16_66_dfbf1fcab8cdea3.p ...
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