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Quiz on Rotation 旋轉變換：測驗
Author:
Alex CHIK
Topic:
Rotation
GeoGebra
GeoGebra 互動數學教室
http://www.geogebra.hk
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兩組對邊相等和有直角的四邊形
兩組對邊相等的四邊形
四邉形 (四年級) 教師版
找出對稱軸
GeoGebra笔记功能体验课件
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包含除法（整數或分數 ÷ 分數）
倫敦滾石橋
分點公式：P = (?)A + (?)B + (?)C
三角形的面積
Angle of elevation and Angle of depression(仰角和俯角)
Discover Topics
Similar Triangles
Median Line
Arithmetic
Circle
Quadratic Functions