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Author:
帯川喜代志
GeoGebra
New Resources
正１７角形 作図 regular 17-gon 2
接点の作る円は内接円
サイクロイド
standingwave-reflection-free
standingwave-plus
Discover Resources
Ex_60_2
数学Ⅲ回転体＆体積MT01
相似確認（四角形）
スケッチ
スライダーの増分
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Derivative
Volume
Secant Line or Secant
Mode
Power Functions