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塗色01

Author:: 李伶芳

GeoGebra Applet

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vanessa ware - trapezoid
illustrating pi
Parallelogram properties
Quadratics Transformations Challenge
Property of tangents to a parabola (computer-assisted proof)

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Reflection - class game
Example QF.2.2
Reflect Points X Axis
Reflect Points Y Axis
TRIANGLE

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