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凸透鏡 Convex Lens
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
Interactive Unit Circle
立体几何-公理3及推论
दुई-ओटा समुहको संयोजन (Union of two sets)
The 3D Space
အခြေခံ data အခေါ်အဝေါ်များ
Discover Resources
Pythagorean Theorem
Angles on parallel lines
Limit of sin x/ x
test
G.2.4 Learning Goal
Discover Topics
Area
Cuboid
Hypergeometric Distribution
Indefinite Integral
Confidence Interval