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２つの正三角形
Author:
Tsuyoshi Yamamoto
GeoGebra
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小テスト
正１７角形 作図 regular 17-gon
接点の作る円は内接円
standingwave
standingwave-reflection-fixed
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フーリエ級数
y=asin(bx)+c
立方体のスリット裏返し設計図4+ε
円運動(変位と速度)
算法天生法指南二之巻(56)解答
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Reflection
Equilateral Triangles
Arithmetic
Root
Power Functions