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練習 - 逆時針旋轉（三角形）
Author:
Lau Sir
Topic:
Triangles
GeoGebra
New Resources
四邉形 (四年級) 教師版
GeoGebra笔记功能体验课件
畫出對稱圖形
【案例】2018年全国1卷理科12题
四邊形的特性
Discover Resources
利用按扭製作控制動畫的開關
Ex5C#14
三角比的性質
廣義三角：tan
Geogebra 入门
Discover Topics
Mathematics
Exponent
Subtraction
Random Variables
Similar Triangles