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GeoGebra
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GeoGebra
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柏拉圖宇宙模型
Author:
jack1012
GeoGebra
New Resources
找出對稱軸
判斷球體
兩組對邊相等的四邊形
錐體建築師
異分母分數減法
Discover Resources
曲柄搖桿
半圓五角形滑動
定理
全等双子模型（等腰三角形）
公平的切蛋糕 Selfridge-Conway 免嫉妒分法(envy-free cake-cutting)
Discover Topics
Solids or 3D Shapes
Special Points
Circumcircle or Circumscribed Circle
Area
Pyramid