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Locus 軌跡(2T)
Author:
Alex CHIK
GeoGebra
GeoGebra 互動數學教室
http://www.geogebra.hk
New Resources
算柱 (兩位數)
畫出對稱圖形
兩位數除以一位數（二）
異分母分數減法
兩位數加法
Discover Resources
兩圓的位置關係
矩形
線性組合性質
Graph of Sine
物體的平面運動
Discover Topics
Function Graph
Natural Numbers
Numbers
Similar Triangles
Geometric Transformations