Suma y Resta

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Author's Instructions

Escriba la respuesta correcta en números (1,2,4...).

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Pictogramas

Addition and Subtraction - Math

Calcula los datos de una tabla dada interpretando el pictograma

Maths.3.19.1

Addition and Subtraction - Math

column addition with and without regrouping

Maths.3.19.2

Addition and Subtraction - Math

column subtraction

Velocitat de càlcul: restes 3

Addition and Subtraction - Math

Càlcul ràpid restes 3