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Tuesday's Math Humor

  1. Oct 11, 2016 #1


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  2. jcsd
  3. Oct 11, 2016 #2


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    This reminds me of my earliest recollection of exposure to maths.
    I believe I was 5, and my sister was 10:


    She still denies any recollection of the conversation.
    Of course, I eventually understood the concept, of negative numbers.
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