Cálculo mental: sumar y restar 99

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Age: 9-15
Level: ´5º-6º PRIMARIA
Language: Spanish (es)
ID: 1411597
19/09/2021
Country code: ES
Country: Spain
School subject: Matemáticas (1061956)
Main content: Sumar y restar 99 (1530458)
From worksheet author:

SUMAR Y RESTAR MENTALMENTE EL NÚMERO 99

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Cálculo mental: sumar y restar 99

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