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6/2(1+2) = ?

  1. Jan 3, 2013 #1
    Of course the answer is 9. But my question is, some sources say this is written ambiguously.
    as in, 6/(2[1+2])=1
    or 3(3)=1
    Why do some people say one needs to evaluate what is effecting the parenthesis before dividing from left to right? I don't see anything in order of operations that would assume the first option. But when you type 6/2(1+2) into some calculators, it gives you 1. Can anybody find a source that says one needs to evaluate what is effecting the parenthesis before dividing from left to right?
     
  2. jcsd
  3. Jan 3, 2013 #2
  4. Jan 3, 2013 #3
    Re: 6/2(1+2)=?

    This has been covered over and over and over. This is not physics. Reported.
     
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