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圆链的反演
Author:
孟宝兴
GeoGebra
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兩組對邊相等和有直角的四邊形
兩組對邊相等的四邊形
畫出對稱圖形
【案例】2018年全国1卷理科12题
異分母分數減法
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Length of Horizontal or Vertical Line Segments 水平或鉛垂線段的長度
各立體展開圖
立體圖形
ggb创作
勾股定理的毕氏证明
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Median Line
Means
Tangent Function
Kite
Differential Equation