sebastienplaisi
sebastienplaisi sebastienplaisi
  • 15-11-2017
  • Mathematics
contestada

Use double to help you add 8+7

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knowledge14
knowledge14 knowledge14
  • 15-11-2017
You can subtract 8 -1=7 and then add 7+7=14 and then do 14+1=15 because we subtracted 1 from 8.


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