Sumas

Sumas
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sumas sencillas

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Sumes i restes amb la tira numèrica

Addition and Subtraction - Math

Sumar a partir de fer passes endavant o endarrera en la tira numèrica.

Addizioni e sottrazioni-entro il 20

Addition and Subtraction - Math

Addizioni e sottrazioni-entro il 20

Sumando con regletas 5+2-7

Addition and Subtraction - Math

Representar de forma numérica la suma de regletas.

Sumes

Addition and Subtraction - Math

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