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如何用5升和6升的水壶升3升水
更新时间: 2020-10-13 00:00:00  

用5升和6升的水壶获得3升水的方法步骤如下:

1、把5升桶装满水,然后倒进6升桶,此时6升桶里有5升水;

2、将5升桶再装满水,然后把6升桶倒满,此时5升桶里有4升水;

3、把6升桶里的水倒干净;

4、把5升桶里现有的4升水全倒进6升桶里,此时6升桶里有4升水;

5、再把5升桶装满水,然后倒满6升桶,则此时5升桶里刚好有3升水。

关键词: 何用 水壶

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