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PR:RQ=2:1
Author:
yoshiyuki ishitsuka
GeoGebra
New Resources
直線の軌跡
standingwave-reflection
接点の作る円は内接円
フーリエ級数展開
平均変化率
Discover Resources
正三角形の辺上を動く点と角
縦波
Joining Pyramids
リサージュ曲線
面積の等しい三角形を見つける（等積変形）
Discover Topics
Addition
Fractal Geometry
Function Graph
Frequency Distribution
Arithmetic Mean