从8个一元的硬币中找出一个假币(假币比真币重),你如何用一架没有砝码的天平找出来 发布时间:2017-06-12 12:50 │ 来源:www.tikuol.com 题型:解答题 问题: 从8个一元的硬币中找出一个假币(假币比真币重),你如何用一架没有砝码的天平找出来?请写出操作过程.
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