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円と楕円
Author:
Bunryu Kamimura
Topic:
Ellipse
楕円をつくる二つの円。焦点もわかります。
GeoGebra
New Resources
直線の軌跡
接点の作る円は内接円
standingwave-reflection-fixed
コイン投げと樹形図
カージオイド
Discover Resources
Drawing parabola from data
3次方程式の虚根
When will the quadrangle ABCD be double the area of the square LKJI?
中点の作図
格子
Discover Topics
Median Value
Addition
LCM and GCD
Isosceles Triangles
Tangent Function