Cálculo mental: suma de decenas incompletas-1

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Age: 7-12
Level: Primaria
Language: Spanish (es)
ID: 894571
09/04/2021
Country code: ES
Country: Spain
School subject: Matemáticas (1061956)
Main content: Sumas (2013192)

Suma de decenas completas_1

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Cálculo mental: suma de decenas incompletas-1

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