daisy36 daisy36
  • 07-09-2016
  • Mathematics
contestada

number sentence commutative property of addition 3+9=12

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Аноним Аноним
  • 07-09-2016
9+3 ←commutative property of 3+9
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wadenjan wadenjan
  • 07-09-2016

3+9=12 and 9+3=12


you can change the order and not change the answer


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