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roc
Author:
s.abe
GeoGebra
New Resources
対数螺旋
カージオイド
直線の軌跡
等積変形2
standingwave-plus
Discover Resources
Refraction in a Right Triangle
ピタゴラスの定理
球面上の二種類の等角らせん
等力点とフェルマー点の作る正三角形の中心
Fold equilateral triangle(正三角形の折り返し 相似)
Discover Topics
Addition
Rotation
Arithmetic
Parabola
Matrices