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ふなっしー
Author:
Tetsuya Akazawa
GeoGebra
New Resources
カージオイド
standingwave
standingwave-plus
アステロイド
斜めドップラー
Discover Resources
Sine curve
包絡線（双曲線）
四角形のしきつめ
二次関数の名前
四角錐
Discover Topics
Congruence
Diagrams
Rotation
Continuity
Vectors 2D (Two-Dimensional)