donswanson87 donswanson87
  • 07-09-2016
  • Mathematics
contestada

171 + 727 = 175 + 725 how do you come up with this in common core math

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Аноним Аноним
  • 07-09-2016
Common core is so confusing, I feel like I really don't know anything once I open up my math book.. :)
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