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秒钟走1圈是多少
更新时间: 2020-10-30 00:00:00  

秒钟走1圈是1分钟,从0点到12点,分针跑了12圈,时针跑了1圈,最后在12点重合,分针追上时针11次,因此重合11次,之后从12点到24点与之前相同,也是重合11次,因此总共重合22次。

分针走得比时针快,从0点到12点,不算起始的重合,分针一共转12圈,时针转1圈,最后分针与时针重合,因此,分针追上时针11次。

每次分针和时针的相对角度都从0度(重合时刻)开始,到360度(追上)结束,这期间一定存在90度和270度两个直角。因此,一共会出现22次直角。

关键词: 秒钟 多少

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