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GeoGebra Lesson
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三角形
Author:
Tina Lin
Topic:
Triangles
GeoGebra
New Resources
世界平面地圖 (Codex╱2026.10.07)
畫出對稱圖形
算柱 (兩位數)
幾何作圖題：切三圓（題目）
伊朗國旗 (Codex╱2026.10.07)
Discover Resources
binary number system
Version 2
圓形墊圈 (Washer) 2
母子性質-1（動畫）
规律点问题的动态演示
Discover Topics
Cosine
Circumcircle or Circumscribed Circle
Linear Regression
Fractal Geometry
Isosceles Triangles