Calculo mental

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Age: 6-7
Level: primero de primaria
Language: Spanish (es)
ID: 1341499
02/09/2021
Country code: BO
Country: Bolivia
School subject: Matemáticas (1061956)
Main content: Sumas y restas (2013164)
From worksheet author:

las siguientes operaciones resuelve calculando mentalmente.

Other contents:
operaciones

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Calculo mental

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