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一根绳子对折3次后一共有几段
更新时间: 2020-09-22 00:00:00  

一根绳子对折3次后一共有8段,具体如下:

一根绳子对折一次,分成2段;

一根绳子在对折一次的基础上再对折一次,分成:2乘2等于4段;

一根绳子在对折两次的基础上对折第三次,分成:4乘2等于8段;

所以一根绳子在对折3此后一共会有8段。

关键词: 绳子 共有

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