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如何数角的个数

更新时间: 2021-02-19 13:38:37     

1、数角的个数的方法就是用公式,角的个数s=(n+1)(n+2)/2,其中n为分开大角的线的条数。

2、数角的规律为:数角的边的条数是n条时,角的总个数就是从1开始连续加到n-1为止。数所分成的小角的个数是n个时,角的总个数就是从1开始连续加到n为止。

关键词: 如何 个数

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