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HKDSE 2017 Paper I #19
Author:
Alex CHIK
GeoGebra
gMath 互動數學教室
http://www.geogebra.hk
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Rolling Triangle
Positive and Negative Space
z`]]
bewijs stelling van Pythagoras
koch tool
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Algebra multiplikasjon 3
C0308Ex02
Transfromations of Quadratics
Schmiegekreis
activity 2 orthocenter
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Subtraction
Random Experiments
Definite Integral
Variance
Coordinates