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HKCEE 2009 Q17
Author:
tkyggb
GeoGebra
New Resources
拼砌四邊形
球體建築師
柱體建築師
画直线等分三角形的面积
找出對稱軸
Discover Resources
soccer
上圓下方的盒子
angles sum of a triangle 3
圓周
六上：圆的面积公式推导
Discover Topics
Continuity
Fractal Geometry
Distributions
Pie Chart or Circle Chart
Pyramid