amybarger2017 amybarger2017

17-09-2018
Mathematics

contestada

Which addition sentence could help solve 3+5+7

Respuesta :

18-09-2018

Commutative property: a + b = b + a

3 + 5 + 7 = 3 + 7 + 5 = 10 + 5 = 15

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