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Matemáticas
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Calculo mental
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Age 7-10
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level: 4to básico
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Spanish
Author's Instructions
Realiza el cálculo mental en 3 minutos
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-
Matemáticas
-
Calculo mental
-
Age 7-10
-
level: 4to básico
-
Spanish
Author's Instructions
Realiza el cálculo mental en 3 minutos