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这太简单啦,我小学时候就会.肯定要分三组,然后找到分量不对的那组,再分成二组,再找不对的那一组,最后一次就称出来哪个轻了.小case.

ltjt86 (tyson)
(#315338@0)
2001-12-28 -04:00
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Back To Topic: 12个球,外观大小都一样,11个球重量相同,仅有1个球不同(不知轻重),现有一天枰,只能称3次,怎样把重量不同的那个小球找出来?(很有意思,要求把所有可能情况都找出来,快来试试,看谁最先解出答案!快!快!!快!!!)

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