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qiang2751290
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樓主  發(fā)表于: 2013-01-16 15:25
(三)    有三個(gè)水桶， 分別是3升，5升和8升的，現在8升桶有8升水， 問(wèn)不借助別的工具怎樣把這8升水分成兩個(gè)4升的？
hc881012
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1樓  發(fā)表于: 2013-05-15 18:45
最簡(jiǎn)單的是，8L倒滿(mǎn)5L桶，5L桶倒滿(mǎn)3L桶剩2L，3L桶倒回8L桶，5L桶的2L倒入3L捅，8L桶倒滿(mǎn)5L桶，現在8L桶1L，5L桶5L，3L桶2L
5L桶倒滿(mǎn)3L桶剩4L

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