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Member for
3 years 9 monthsAge: 7-9
Level: tercer grado
Language: Spanish
(es)
ID: 1244821
09/08/2021
Country code: MX
Country: Mexico
Main content: Problemas Aditivos (2068686)
From worksheet author:
Utiliza el calculo mental para obtener la diferencia de dos números naturales de dos cifras
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