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問55

Author:嶋津恒彦

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standingwave-reflection-free
正１７角形　作図　regular 17-gon 2
二次曲線と離心率
sine-wave
円の伸開線

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円周率
素因数分解
正四角柱から正四角錐へ
Free Throw
三平方の定理の証明（ピタゴラス）

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Derivative
Parabola
Rotation
Parallelogram
Inequalities

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