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圖二 的複本
Author:
Michael Ma
,
GeoGebra Institute of Hong Kong
GeoGebra
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【案例】2018年全国1卷理科12题
三位數除以一位數（二）
算柱 (兩位數)
兩組對邊相等的四邊形
畫出對稱圖形
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滚动的硬币
旋轉一物件02
拼出三角形
和直线和圆同时相切的圆
小五_近似值
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Cosine
Functions
Incircle or Inscribed Circle
Derivative
Similar Triangles