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HKDSE 2015 by Mr LO WY
Author:
tcchan
GeoGebra
New Resources
兩位數加法
四邉形 (四年級) 教師版
球体的体积推导
拼砌四邊形
兩位數除以一位數（二）
Discover Resources
Conic section-ellipse&hyperbola
In-centre
Ext angle cyclic quad
畢氏定理的副本
The motion of a charged particle in an electric field带电粒子在加速电场和偏转电场中的运动
Discover Topics
Scatter Plot
Cone
Solids or 3D Shapes
Prism
Binomial Distribution