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平面鏡成像 Plane Mirror
Author:
Alex CHIK
Drag the grey/ red points to change positions of the object. Drag the black point to change source of light.
GeoGebra
GeoGebra 互動數學教室
http://www.geogebra.hk
New Resources
Poorly Drawn Parallelograms
Droste effect
Quiz: Finding Average Rate of Change
Exploring Simple Loci 探究簡單軌跡
Poorly Drawn Parallelograms 2
Discover Resources
practice
Similar Triangle Area
Volumes By Cross Section
javaScript example (one arch bridge)
exterior and interior
Discover Topics
Quadratic Equations
Isosceles Triangles
Indefinite Integral
Logic
Stochastic Process or Random Process