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Exterior Angle of Triangle

Author:Anthony OR 柯志明

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Exploring GeoGebra for the First Time
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Reflection = 180° Rotation about a Line
Using Experimental Probability to Estimate π - Monte Carlo Method
Locus Related to Descartes' Folium

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Dynamic Worksheet: Rotation and Dilation
Finding Pi
Tessellations
polygon geogebra
動点問題（1次関数）

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Numbers
Parametric Curves
Quadrilaterals
Definite Integral
Quadratic Functions

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