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HKCEE 2009 Q17
Author:
tkyggb
GeoGebra
New Resources
四邉形 (四年級) 教師版
sanjiaohanshu
Earth with coastline
近似值：有效數字
找出對稱軸
Discover Resources
Direct and Inverse Variation 正變與反變
動畫
分數應用題：比較兩數的大小
擲兩個硬幣的機率分布的副本
扇形轉動動畫(模考第二題)
GeoGebra成像规律的演示
Discover Topics
Quadrilaterals
Isosceles Triangles
Symmetry
Conic Sections
Straight Lines