[合集] 什么语为母语的人学数学最容易学？(0)

2009-08-13 sosopisces|2009-08-13 sosopisces

怎样证明周长固定圆面积最大？(12)

2009-08-11 hulili|2009-08-12 lac

[合集] 请教：如何确定一族线性不等式是否有解？(0)

2009-08-12 sumerian|2009-08-12 sumerian

[公告]禁止开启以下及等价于以下问题的讨论(0)

2009-08-11 sosopisces|2009-08-11 sosopisces

[合集] Comments on "Heros in My Heart(01-10)"[转载](0)

2009-08-10 sosopisces|2009-08-10 sosopisces

[合集] 为什么要研究方阵的迹? 有什么性质和意义(0)

2009-08-10 sosopisces|2009-08-10 sosopisces

[合集] 话说这《几何原本》所定义的数学世界(0)

2009-08-10 sosopisces|2009-08-10 sosopisces

[合集] 争论公理还是公设还是啥有意义么？(0)

2009-08-10 sosopisces|2009-08-10 sosopisces

有今年去San Diego的INFORMS吗？(1)

2009-08-08 threewell|2009-08-08 wzz12346

Comments on "Heros in My Heart(1-10)"[转载](8)

2009-08-05 lowai|2009-08-05 Cracker

Comments on "Heros in My Heart(61-66)"[转载](0)

2009-08-05 Cracker|2009-08-05 Cracker

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2009-08-05 Cracker|2009-08-05 Cracker

Comments on "Heros in My Heart(11-20)"[转载](0)

2009-08-05 Cracker|2009-08-05 Cracker

[合集] 请问1 + 1/2^2 + 1/3^2 + ...+ 1/n^2 = π^2/6怎么证明(0)

2009-08-04 sosopisces|2009-08-04 sosopisces

[合集]一道不错的分析问题 (0)

2009-08-04 sosopisces|2009-08-04 sosopisces