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3个同学坐成一排合影有几种做法

更新时间: 2020-07-07 00:00:00     

设三个人为甲、乙、丙,坐法有:

1、甲在中间,乙丙在两侧有两种方式;

2、乙在中间,甲丙在两侧有两种方式;

3、丙在中间,甲乙在两侧有两种方式;

4、一共6种坐法。

关键词: 同学 合影 做法

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