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Author:
Steve Phelps
GeoGebra
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alg2_05_05_01_applet_exp_flvs
探究由平行線和截線所成的角
Shade a spheric triangle with "surface".
Kopie von parabel - parabol
Explore the invariant lines of matrix {{-2,5},{6,-9}}
Discover Resources
Linear Inequalites
Three Means
lvl 7 portfolio
Orthocenter.ggt
Untitled
Discover Topics
Median Line
Parallelogram
Coordinates
Symmetry
Multiplication