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Author:
Minoru Okayasu
GeoGebra
New Resources
standingwave-reflection-free
等積変形2
斜めドップラー
standingwave
sine-wave
Discover Resources
Dilatazione/contrazione orizzontale di sen (x)
掛谷の三角形の作り方
２次方程式の利用（線分から正方形）
円の面積
合同条件
Discover Topics
Secant Line or Secant
Vectors 3D (Three-Dimensional)
Optimization Problems
Sine
Sphere