The array can be shown as 5 groups of 3 showing that 5 x 3 = 15. Or it could be shown as 3 groups of 5 showing that 3 x 5 = 15. This demonstrates that multiplication is commutative. Image caption, ...
University of Technology Sydney provides funding as a founding partner of The Conversation AU. How many times have you seen a post online or part of your social media feed that says something like ...
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