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ex 7
Author:
LAM YU SANG
GeoGebra
New Resources
錐體建築師
找出對稱軸
兩位數除以一位數（二）
三位數除以一位數（二）
兩組對邊相等的四邊形
Discover Resources
阿波羅尼斯問題：與三圓相切的圓
永春高中研習
Ex5C#6
testing book
蜘蛛網製作
Discover Topics
Statistics
Logarithmic Functions
Tangent Function
Plane Figures or Shapes
Circumcircle or Circumscribed Circle