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Mathematics 18 Online
OpenStudy (anonymous):

Which mathematical property is demonstrated? 7 + 9 + 3 = 7 + 3 + 9 A. associative property of addition B. associative property of multiplication C. commutative property of addition D. commutative property of multiplication

OpenStudy (anonymous):

C is right. 7 + 9 + 3 = 7 + 3 + 9 means that you can change the number in an additional formula, so C is right.

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