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GeoGebra
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GeoGebra expert
Author:
Debbie Schriemer-Maenhout
GeoGebra
New Resources
Tutorial: Create lists of numbers and objects
Explore the invariant lines of matrix {{-2,5},{6,-9}}
Poorly Drawn Parallelograms 2
探究由平行線和截線所成的角
alg2_05_05_01_applet_exp_2_flvs
Discover Resources
RRGP-CoordinateSystems (robphy)
Calculate Camera Pitch
Line Conic 2
Circumcircle
KHDA 2
Discover Topics
Plane Figures or Shapes
Sequences and Series
Variance
Cosine
Secant Line or Secant