pupicespedesovu6ct pupicespedesovu6ct
  • 06-09-2017
  • Mathematics
contestada

Explain how knowing 1+7 helps you find the sum for 7+1

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pugslife96 pugslife96
  • 06-09-2017
1+7 and 7+1 equal the same amount. It doesn't matter which position the number is in. The sum will be 8 either ways. Hope that helps :)
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benyam1008 benyam1008
  • 06-09-2017
because they equal the same thing
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