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Author:
郭逸民
GeoGebra
New Resources
畫出對稱圖形
算柱 (兩位數)
【案例】2013年安徽高考15题
找出對稱軸
兩位數加法
Discover Resources
均分除法（整數÷整數）
工作紙-整數乘以真分數
禪繞畫
方块堆叠(cube))
分數乘法
Discover Topics
Planes
Inequalities
Cone
Vectors 3D (Three-Dimensional)
Translation