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Thread: Find all four digit numbers

  1. March 21st 2011, 06:56 AM #1
    BakyX
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    Find all four digit numbers

    Hello..I have problem with this quest.

    Find all four digit numbers, for which following shall apply:

    Find all four digit numbers-mathtex.cgi.gif

    Thx for help.

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  2. March 21st 2011, 07:11 AM #2
    TheChaz
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    At first glance, I'd say 1 <= a = b = c = d <= 9

    What have you done so far?
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