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我小学时就看到这道题,虽然我当时不会做,但是我看了答案就会了,坦率的说,当时我肯定不到三年级。BTW我在rolia就看了N遍了,确如楼下所言,可以推广为13个球。
killer
(流血五步伏尸二人)
(#315357@0)
Last Updated: 2001-12-28
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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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