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圖二 的複本
Author:
Michael Ma
,
GeoGebra Institute of Hong Kong
GeoGebra
New Resources
兩位數除以一位數（一）
算柱 (兩位數)
畫出對稱圖形
錐體建築師
四邉形 (四年級) 教師版
Discover Resources
垂直平分線
尺規作圖找有理數點(以3分之5為例)
鏡射矩陣 (CAS)
相似形
勒洛三角形頂點C軌跡
Discover Topics
Square
Statistical Characteristics
Means
Circumcircle or Circumscribed Circle
Parallelogram