Genius

Discussion in 'The Watering Hole' started by Herman, Oct 10, 2017.

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  1. Herman

    Herman The Image Stimulator

    Jul 11, 2010
    The Netherlands
    Herman
    Are you a genius?
    Test #1
    | -1 | 3 | ? | 123 |
    What is the missing number?
     
    Last edited: Oct 10, 2017