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二次方程式動点問題
Author:
井上直紀
GeoGebra
New Resources
二次曲線と離心率
sine-wave
コイン投げと樹形図
standingwave
standingwave-reflection
Discover Resources
廉術変換(環円廉術)
三角形の心(オイラー線上の6点)
軌跡(2点からの和が一定)
chime
共通部分と和集合(intersection and union) のコピー
Discover Topics
Tangent Function
Centroid or Barycenter
Rational Numbers
Cosine
Planes