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Author:
葉天宏
GeoGebra
New Resources
畫出對稱圖形
近似值：有效數字
三位數除以一位數（二）
【案例】2018年全国1卷理科12题
算柱 (兩位數)
Discover Resources
分蛋糕
畢氏定理動畫
Copy of 固定周界的長方形的面積變化
[S2] a revised version of Jane’s GeoGebra file (modified by the author)
congruent triangle_provided by Mr Yeung Kar Chun
Discover Topics
Bar Chart or Bar Graph
Matrices
Rotation
Prism
Fractions