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Hornasumma grannhorna
Author:
Jóna Þórdís Eggertsdóttir
GeoGebra
New Resources
Línur kannaðar
Hver er reglan #3?
Brotabitar
Hver er reglan #4?
Almenn brot borin saman á talnalínu annars vegar og skífuriti hins vegar
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valgard
Tugabrot
GeoGebra fyrir lengra komna
Stærðfræði fiskur vúpvúp879
dæmi 3.1 bls. 89
Discover Topics
Subtraction
Angles
Quadrilaterals
Polynomial Functions
Linear Equations