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Author:Kojiro Shojima, Ph.D.

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standingwave-reflection
フーリエ級数展開
等積変形2
sine-wave
目で見る立方体の2等分

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プトレミーの定理
GHS1231
(x^2+1)(y^2+1)
p124Q
ラグランジュの乗数法4

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Right Triangles
Planes
Curve Sketching
Statistical Characteristics
Trapezoid

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