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Author:
Lin Ching Chieh
GeoGebra
New Resources
兩組對邊相等和有直角的四邊形
判斷球體
拼砌四邊形
GeoGebra笔记功能体验课件
【案例】2013年安徽高考15题
Discover Resources
Fraction Division (Partitive)
商高定理\水2
行星軌跡
空間旋轉矩陣
廣義三角：tan
Discover Topics
Centroid or Barycenter
Translation
Tangent Function
Pythagoras or Pythagorean Theorem
Equilateral Triangles