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GeoGebra
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GeoGebra
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A Theorem
Author:
Anthony OR 柯志明
GeoGebra
New Resources
Stairs (Optical Illusion)
Parallel or Not? (V2)
Piano. Keyboard.
Introduction
Ellipse, Hyperbola and Circle as Envelopes
Discover Resources
Pit & Pendulum Data Analysis
Isosceles Investigation
The mod 3 Clock
Using a ruler - centimeter and meter
Plotting points y=kn^x
Discover Topics
Boxplot
Continuity
Isosceles Triangles
Conditional Probability
General Quadrilateral