btw, this is for your brain

来源: 戏雨飞鹰 于 2010-01-11 19:10:51 [] [博客] [旧帖] [给我悄悄话] 阅读数 : (83 bytes)
回答: 想谁了？我为你鸿书传话.. 由 戏雨飞鹰 于 2010-01-11 14:23:58

2/.2= 5 number in base 5

sec(arctan(2))^2 = 5

sec(arctan(2))^2 = 5

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• sweetie you are smart. that's eye opening -bearsback- ♂ 给 bearsback 发送悄悄话 bearsback 的博客首页 (0 bytes) () 01/11/2010 postreply 20:28:03

• arctan（x） -bearsback- ♂ 给 bearsback 发送悄悄话 bearsback 的博客首页 (111 bytes) () 01/11/2010 postreply 21:16:35

• oops a special case of t-dist -bearsback- ♂ 给 bearsback 发送悄悄话 bearsback 的博客首页 (0 bytes) () 01/11/2010 postreply 21:19:40

• it looks hard. i don't even want to try.. -戏雨飞鹰- ♀ 给 戏雨飞鹰 发送悄悄话 戏雨飞鹰 的博客首页 (0 bytes) () 01/11/2010 postreply 21:27:26

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