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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
二次曲線と離心率
standingwave-reflection
standingwave-plus
standingwave

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領域
chevanoteiri
角の二等分線作図と性質
多角形の辺上を等速で動く点_パラメータも等速版
合同な図形２

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Coordinates
Cuboid
Equilateral Triangles
Linear Programming or Linear Optimization
Fractions

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