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Area of Triangle
Author:
Miss Tsui
,
Anthony OR 柯志明
Area of Triangle
GeoGebra
New Resources
四邉形 (四年級) 教師版
兩位數加法
四邊形的特性
三位數除以一位數（二）
GeoGebra笔记功能体验课件
Discover Resources
waaachen
Quiz on Trigonometric Ratios 辨認三角比：測驗
任兩正方形重組成一大正方形partII
Sequence指令練習(逐一套疊三角形)
正多邊形邊上點旋轉
Discover Topics
Function Graph
Root
Matrices
Linear Functions
Translation