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congruent (SSS)

Author:Ricky Chan

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柱體建築師
兩組對邊相等和有直角的四邊形
【案例】2018年全国1卷理科12题
找出對稱軸
異分母分數減法

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以剪貼比較圖形大小題1
Orthocentre
相机快门模拟
相似双子模型（任意三角形）
圓的面積的副本

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Vectors
Sphere
Isosceles Triangles
General Quadrilateral
Right Triangles

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