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GeoGebra Lesson
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GeoGebra Lesson
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圖四
Author:
GeoGebra Institute of Hong Kong
GeoGebra
New Resources
sanjiaohanshu
Nested spiral octagon
國旗 (作圖步驟直接餵給 Claude)
找出對稱軸
畫出對稱圖形
Discover Resources
正方體的表面積
三次函數圖形
qr code for symmetry
梯形的面積
曲面指令练习（柱球转化）
Discover Topics
Circumcircle or Circumscribed Circle
Division
Orthocenter
Random Experiments
Rational Numbers