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[分享]一个经典巧妙的组合问题(蕴涵了很多数学知识哦) |
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鲁班锁吧http://tieba.baidu.com/f?kw=%C2%B3%B0%E0%CB%F8
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鲁班锁吧http://tieba.baidu.com/f?kw=%C2%B3%B0%E0%CB%F8
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鲁班锁吧http://tieba.baidu.com/f?kw=%C2%B3%B0%E0%CB%F8
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