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Author:Cathyyu920311

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判斷球體
找出對稱軸
四邊形的特性
【案例】圆柱体内放置一个大球六个小球
算柱 (兩位數)

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正n邊形內角與外角
技巧
Angles formed by two straight lines and transversal
快看漫画
直角坐標平面上的旋轉變換

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Incircle or Inscribed Circle
Isosceles Triangles
Continuity
Sequences and Series
Geometry

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