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2020東大理系５
Author:
Saito Koichi
GeoGebra
New Resources
サイクロイド
sine-wave
平均変化率
standingwave-reflection
コイン投げと樹形図
Discover Resources
Fourier series
包絡線（放物線）
Snow Flake
展開図が正方形の三角錐
内心、垂心、ジェルゴンヌ点、ナーゲル点の極線
Discover Topics
Coordinates
Piecewise Functions
Centroid or Barycenter
Calculus
Straight Lines