kjollady kjollady
  • 09-02-2016
  • Mathematics
contestada

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 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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