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街灯　影の長さ

Author:増永雄大

Topic:Constructions, Geometry, Straight Lines, Planes, Similar Triangles

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正１７角形　作図　regular 17-gon 2
sine-wave
アステロイド
正１７角形　作図　regular 17-gon
standingwave-reflection

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方形波
放物線玉すだれ・改
体系の問題　面積を2等分
回転体の体積(重複）
栄光1(2)1
放物線の外接三角形の極線は逆中点三角形

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Definite Integral
Cuboid
Piecewise Functions
Pyramid
Division

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