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外心

Author:吳淑惠

Topic:Constructions

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球體建築師
兩組對邊相等的四邊形
柱體建築師
畫出對稱圖形
画直线等分三角形的面积

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triangle
正n邊形與圓上點的中點軌跡(解析)
數值滑桿_長方形2
正多邊形柱體表面積展開圖
诱导公式四（原点对称关系）

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Special Points
Arithmetic
Rational Numbers
Linear Programming or Linear Optimization
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