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December 26, 2014

December 26, 2014

Posted by **Lisa** on Thursday, March 1, 2012 at 11:27pm.

Is this commutative, associative, or both? It feels like it is commutative since numbers change their order. However, it feels like it is associative, because different numbers are grouped together in the parenthesis. Is it possible to show two properties at once?

- Math-properties -
**Steve**, Friday, March 2, 2012 at 2:02pmc*(a*b) = (c*a)*b is associative

c*(a*b) = c*(b*a) is commutative

c*(a*b) = c*(b*a) = (c*b)*a is both

- Math-properties -
**Delilah**, Wednesday, September 26, 2012 at 7:28pmcommunative.

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