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反射 Reflection of Light by Plane Mirror
Author:
Alex CHIK
GeoGebra
GeoGebra 互動數學教室
http://www.geogebra.hk
New Resources
Cross Product in 2D and 3D
Stairs (Optical Illusion)
Introduction
Construct a Square
Angles and Intersecting Lines: Quick Investigation
Discover Resources
trabalho de matematica
The Power Function Family
GeoGebra
Three tangents
Incenter (S)
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Rectangle
Geometric Transformations
Logarithm
Geometry
Addition