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1593749
UNIDAD 2:SUMA
Description
Mind Map on UNIDAD 2:SUMA, created by estefania pascual fernandez on 06/11/2014.
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science
Mind Map by
estefania pascual fernandez
, updated more than 1 year ago
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Created by
estefania pascual fernandez
over 9 years ago
433
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0
Resource summary
UNIDAD 2:SUMA
Suma de dos números con llevada
458+263=721
Suma de tres números con llevada
324+297+70
Propiedades de la suma
Propiedad conmutativa
El orden de los sumandos no altera el resultado.
24+25=25+24
Propiedad asociativa
Tiene paréntesis
Asociar= juntar
Primero resolvemos el paréntesis
(3+2)+4=5+4=9
Cálculo mental
Añadir 100
163+100=263
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