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[函数] 几道相似的函数题，有没有类似的解法？

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霏霏 posted 2014-8-3 13:45 |Read mode

Last edited by 霏霏 2014-8-3 16:34

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original poster 霏霏 posted 2014-8-3 16:35

已修改，有没有啥想法？

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kuing posted 2014-8-3 22:40

第一题在旧论坛讨论过
kkkkuingggg.haotui.com/viewthread.php?tid=1180

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kuing posted 2014-8-3 22:43

这里也有一些似乎相关的东西 forum.php?mod=viewthread&tid=2497

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caijinzhi posted 2014-8-4 11:04

“对偶”性很强啊这几道题有点像射影几何里的对偶原理……

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