已知一椭圆上6个点的位置(没有椭圆的图像),如何用尺规作出此椭圆的中心、焦点? 知乎 Template




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tomski已知一椭圆上6个点的位置(没有椭圆的图像),如何用尺规作出此椭圆的中心、焦点? 知乎 coloring