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NCM(2nd)

Author:ISAAC LAM

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拼砌四邊形
四邊形的特性
球体的体积推导（优化版）
兩組對邊相等和有直角的四邊形
柱體建築師

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圓面積的展開
畢式定理 (10)
幾何問題_圓01
圓錐體內切球
Copy of 劉徽的「割圓術」

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Triangles
Linear Programming or Linear Optimization
Trapezoid
Difference and Slope
Unit Circle

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