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16-09-2020
Mathematics

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To add 20.4 + 3.75 + 4.25, Crystal first added 3.75 and 4.25. Which property did Crystal use to add mentally?
A. Associative Property of Addition
B. Commutative Property of Addition
C. Distributive Property
D. Identity Property of Addition

Respuesta :

ngawangyangchen95 ngawangyangchen95

17-09-2020

Answer:

A.associative property of addition

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