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Mamikon's theory/楕円の周囲の接線団
Author:
Naofumi Horio
GeoGebra
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サイクロイド
standingwave-reflection-free
正17角形 作図 regular 17-gon
小テスト
平均変化率
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比例のグラフ
紐で楕円を描くAn oval is drawn by string
アポロニウス円錐曲線論1
2次関数のグラフの特徴まとめ
ratio of area(similarity)台形四分割
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Translation
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Tree Diagrams