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Author:賴鍵維

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四邊形的特性
兩位數加法
畫出對稱圖形
球體建築師
球体的体积推导（优化版）

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TESTTT
拿破崙三角形(費馬點)
奈格爾點與葛爾崗點互為等距共軛點
三角形的三中線交於一點(重心)
軌跡

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Median Line
Circumcircle or Circumscribed Circle
General Quadrilateral
Means
Logic

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