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GeoGebra
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Author:
Ernesto Bautista
New Resources
Non-obvious Geometrical Properties of a Triangle
題二 (水平對稱軸)
題三 (傾斜的對稱軸)
Broken Stick Triangle Simulation
Cross Sections of a Cube
Discover Resources
parabola
Adding Signed Numbers
Curvy Cubics
Quadrilaterals project
Transformations of Trigonometric Functions
Discover Topics
Subtraction
Natural Numbers
Dilation
Linear Functions
Arithmetic Mean