from Hacker News

Why 3×5 is and isn't 5×3

by brainsmith on 11/17/15, 12:51 PM with 4 comments

  • by merb on 11/17/15, 1:01 PM

    this is so childish from the teacher.

    5x3 == 3x5

    Complexity is a major aspect in computing but not in school for undergraduates.

    Also the kid should get a +1 since he used a law of math to reduce the complexity of the operation. That's more insane than proving this kid wrong.