tieragroff tieragroff
  • 01-02-2019
  • Mathematics
contestada

if a and b are real numbers, then |a-b| is always, sometimes or never equal to |b-a| ?

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CatGurl CatGurl
  • 01-02-2019
Sometimes, because 1-1=1-1, but 2-5 doesn't equal 5-2.
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