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楕円の縮閉線
Author:
Bunryu Kamimura
縮閉線とは法線のつくる包絡線のことです。
GeoGebra
New Resources
二次曲線と離心率
等積変形2
直線の軌跡
standingwave-reflection-free
sine-wave
Discover Resources
山路主任の円
円内容累円術後編
算法天生法指南一之巻(33)解答
中点の作図
ピタゴラスの発見をさぐろう！
Discover Topics
Geometry
Plane Figures or Shapes
Vectors 3D (Three-Dimensional)
Hyperbola
Geometric Transformations