kjollady kjollady

09-02-2016
Mathematics

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Lia wants to find the sum of 17, 51, 10 and 13. Show two different ways that Lia could find the sum of these numbers.

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RASEA23 RASEA23

09-02-2016

Since addition is commutative, she can add anyway she wants.
(17+51)+(10+13)
(51+10)+(17+13)
Hope this helps.

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