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GeoGebra Lesson
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GeoGebra Lesson
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Author:
Patrick Ngan
GeoGebra
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美國國旗 (Codex, 2026.10.06)
sanjiaohanshu
世界平面地圖 (Codex╱2026.10.07)
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Discover Resources
Drawing quadrilaterals on the grid or the pinboard
立體圖形 KH
學習單：三角形內(外)角合
四角錐體
莱诺三角形 Reuleaux Triangle及其特性
Discover Topics
Tangent Line or Tangent
Area
Quadratic Equations
Differential Calculus
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