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13-03-2016
Mathematics

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Which statement shows the associative property of addition?

A.
If m + 3 = 18, then 18 = m + 3

B.
(u + 7) + 13 = u + (7 + 13)

C.
21 + 2y = 2y + 21

D.
3 · (5 · x) = (3 · 5) · x

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SmarticalParticals SmarticalParticals

13-03-2016

The associative property of addition is shown by answer B.

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