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Author:
Louis Wong
,
Anthony OR 柯志明
GeoGebra
GeoGebra
New Resources
圓的切線方程
三位數除以一位數（一）
平行線的斜率
斜率的值
祖冲之的期望：内棋与外棋
Discover Resources
一次函数
Solution_to_a_System_of_Linear_Equations
HKDSE 2015 by Mr LO WY
F1 Chapter 8 - Rotation in Coordination Plane(Advanced)
太陽系的奧秘
Discover Topics
Rotation
Tangent Function
Secant Line or Secant
Area
Equilateral Triangles