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GeoGebra
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GeoGebra
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Author:
John Ulbright
GeoGebra
New Resources
Shade a spheric triangle with "surface".
Droste effect draft
Roman Numerals Bingo
Flip Flop
探究由平行線和截線所成的角
Discover Resources
Proof of Pythagoras' theorem
Test01
Animation 252
pisagor
Perpendicular Lines
Discover Topics
Normal Distribution
Cosine
Right Triangles
Square
Multiplication