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Area of Triangle
Author:
Miss Tsui
,
Anthony OR 柯志明
Area of Triangle
GeoGebra
New Resources
找出對稱軸
四邉形 (四年級) 教師版
兩位數除以一位數（一）
三位數除以一位數（二）
拼砌四邊形
Discover Resources
Light Game
四邊形的特性
Copy of 分數與小數
直方圖_Demo的副本
正方体镂空模型（通用）
Discover Topics
Secant Line or Secant
Optimization Problems
Conic Sections
Power Functions
Variance