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円周率と正多角形
Author:
嶋津恒彦
GeoGebra
New Resources
サイクロイド
standingwave-reflection
standingwave
カージオイド
直線の軌跡
Discover Resources
MathA_Ex_54
補習3ー1
教科書p47練習１
作図(練習30(2))
オイラー線
Discover Topics
Secant Line or Secant
Fractal Geometry
Upper and Lower Sum or Riemann Sum
Means
Perimeter