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四角形の各辺の中点を結ぶ図形

Author:Hisao Yamamoto

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サイクロイド
standingwave-reflection-fixed
standingwave-plus
正１７角形　作図　regular 17-gon
アステロイド

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線対称と点対称
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Math スポンジボブ　２
点の存在範囲（3D）のコピー
半円の回転移動 ver.2

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Parallelogram
Quadratic Equations
Tangent Function
Geometric Distribution
Rational Numbers

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