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  1. #1
    Expert jkaetz's Avatar

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    Can you solve 82(2+2)

    Apparently this has broken the internet...

  2. #2
    Grandmaster BugI02's Avatar

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    One (1)
    You may not be interested in war, but war is interested in you

  3. #3
    Master PaulF's Avatar

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    Quote Originally Posted by BugI02 View Post
    One (1)
    Yeah.

    I'm guessing the internet thinks it should be 16?

  4. #4
    The BOFH GPIA7R's Avatar

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    edit: wrong!
    Last edited by GPIA7R; 08-01-2019 at 13:15.

  5. #5
    Grandmaster eldirector's Avatar

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    82(2+2)

    8 / 2(4)
    8 / 2 * 4
    4 * 4
    16

    PEMDAS
    Parens
    Exponents
    Multiplication/division (left to right)
    Addition/Subtraction (left to right)

    I suspect the missing multiplication sign between the 2 and the (2+2) throws some folks.

    BTW: MS Excel says 8/2*(2+2) = 16
    Ryan "ElDirector"


  6. #6
    The BOFH GPIA7R's Avatar

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    Do they still teach the Order of Operations these days? Or did Common Core kill that for some other ****ed up thought process

  7. #7
    Expert jkaetz's Avatar

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    I'm with you guys but apparently we're all outdated...

    This is the best explanation I've seen.
    https://mindyourdecisions.com/blog/2...wer-explained/

    My brain breaks it down as 8/(2*(2+2)) but everything I can find now (including most calculators, excel, and google sheets) breaks it down as (8/2)*(2+2)

    Now I know why excel frequently divides things wrong and requires me to add more parenthesis...


    Quote Originally Posted by GPIA7R View Post
    Do they still teach the Order of Operations these days? Or did Common Core kill that for some other ****ed up thought process
    It appears to be a change in the way expressions are written in print. In our time everything after the division symbol was the denominator. Apparently not any more.

  8. #8
    Grandmaster eldirector's Avatar

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    The issue is weather we treat 2 * X the same as 2 * (X). There is no strict rule, unfortunately.

    The CORRECT way to write the problem is either:
    82 * (2+2)
    or
    8 / (2(2+2))

    Otherwise, it is open to interpretation, based on how you were taught.
    Ryan "ElDirector"


  9. #9
    Grandmaster BugI02's Avatar

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    You need to complete the evaluation of the parenthetic term before performing the division. The expression is most correctly equivalent to (2 x (2 + 2)). Think of it as a fraction with 2(2+2) in the denominator


    Edit:Corrected use of wrong term
    You may not be interested in war, but war is interested in you

  10. #10
    Master Usmccookie's Avatar

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    This is stupid, millennials are stupid, common core is stupid. The answer is one and it seems like everyone here knows it.

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