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7升水3升水怎么倒出5升水
更新时间: 2020-10-03 00:00:00  

1、用7升水的倒到3升水的容器中两次,7升水的容器中剩余1升水,将这1升水放到别的容器中;

2、重复一次。这样得到2升水;

3、将3升水的容器加满,倒到盛放2升水的容器中,得到5升水。

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