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Dandelin Spheres 2 : Geogebra

2018 2:20
Synopsis
꼭짓점을 공유하는 두 개의 원뿔의 내부에서 접하는 두 구를 이용하여 이차곡선(원뿔곡선- 포물선, 원, 타원, 쌍곡선)을 정의할 수 ...

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