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rafael revew 5
Author:
rafaelmarco
GeoGebra
New Resources
判斷錐體
Colors for GeoGebra
從邊長辨認四邊形
Intercepts in 3D
MC #2
Discover Resources
Tangent to an Ellipse
Exploration
orthocenter
Animation 243
jacquelinejourdan(Midpoint Quadrilaterals)
Discover Topics
Rectangle
Linear Programming or Linear Optimization
Congruence
Matrices
Dilation