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Author:
梁航宇
GeoGebra
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GeoGebra笔记功能体验课件
球體建築師
三位數除以一位數（二）
畫出對稱圖形
兩組對邊相等和有直角的四邊形
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Summary
直角三角形直角三角形
橢圓與斜率
Question 3
探索三角形外角定理
Discover Topics
Power Functions
Centroid or Barycenter
Angles
Interest Calculation
Hypergeometric Distribution