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外心

Author:田中利則

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正１７角形　作図　regular 17-gon 2
standingwave-reflection-free
フーリエ級数展開
円の伸開線
sine-wave

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フェルマー点最小証明
animation4(Reuleaux triangle)
正八面体
関数の平行移動のコピー
フラッシュラグ効果

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Angles
Rectangle
Equations
Cuboid
Function Graph

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