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Locus 軌跡(1T)
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Alex CHIK
GeoGebra
GeoGebra 互動數學教室
http://www.geogebra.hk
Nye Materialer
找出對稱軸
拼砌四邊形
三位數除以一位數（一）
錐體建築師
異分母分數減法
Opdag Ressourcer
題四
regular tetrahedron in a cube
blue
congruent triangle_provided by Mr Yeung Kar Chun
C60足球模型（多边形）
Udforsk emner
Logaritme
Retvinklede trekanter
Polygoner
Aritmetik
Areal