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円錐曲線（楕円，双曲線）

Author:依田賢

New Resources

standingwave
カージオイド
サイクロイド
sine-wave
接点の作る円は内接円

Discover Resources

PonDeRing
楕円反射
円の接線2
正二十面体
平行四辺形に条件を加える

Discover Topics

Planes
Geometric Mean
Congruence
Quadrilaterals
Histogram

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