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HKDSE 2015 Paper I #19
Author:
Alex CHIK
GeoGebra
GeoGebra 互動數學教室
http://www.geogebra.hk
New Resources
繪畫垂直線
Slope Illustrator (2)
Basic and Compound Inequality Illustrator
Rovnoběžnost rovin
Graphing Basic and Compound Inequalities
Discover Resources
The Bae
RotationEx1
مجموع زوايا المثلث
Estimate sides and angles on 5 right angled triangles
p. 178 # 9 and10
Discover Topics
Special Points
Line Segment
Square
Reflection
Hyperbola