katiegirl857 katiegirl857
  • 13-09-2017
  • Mathematics
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(x + 1) + 2 = x + (1 + 2)

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Panoyin
Panoyin Panoyin
  • 13-09-2017
(x + 1) + 2 = x + (1 + 2)
x + 3 = x +
It is cumulative addition.
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