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本文利用复数证法给出了圆内接正n边形的几个性质.先给出几个需要用到的公式:(1)设m是整数,则 sum from j=0 to n-1 e’~(2mjn/n)= n n|m,0
In this paper, several properties of the circle inscribed positive n-polygon are given by using the complex identification method. First, several formulas need to be used: (1) If m is an integer, then sum from j=0 to n-1 e ’~(2mjn/n)= nn|m,0