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Author:
Lo Ka Ling
GeoGebra
New Resources
柱體建築師
異分母分數減法
兩位數除以一位數（二）
錐體建築師
拼砌四邊形
Discover Resources
directed number_the age of father and son
六面長方體
四邊形內多個四邊型旋轉
Tangent properties
圖形C
Discover Topics
Isosceles Triangles
Congruence
Rhombus
General Quadrilateral
Solids or 3D Shapes