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Author:
Wong Ka Leong
,
Anthony OR 柯志明
GeoGebra
New Resources
畫出對稱圖形
兩組對邊相等的四邊形
兩組對邊相等和有直角的四邊形
【案例】圆柱体内放置一个大球六个小球
三位數除以一位數（二）
Discover Resources
這好難用
过圆上一点作切线，三步
對稱-釘板-Student
连续开方（制作：谢建华，修订：孟宝兴）
圆锥曲线的生成
Discover Topics
Translation
Reflection
Conditional Probability
Quadratic Functions
Curve Sketching