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Thread: Pyramid

  1. #1
    firecracker
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    Pyramid

    What five numbers must be placed in the five circles at the base of a pyramid so that, if in each of the remaining ten circles is placed the sum of the two circles immediately below it, the result is the pyramid of fifteen numbers with the number 97 at the top?
    Last edited by firecracker; Oct 2nd 2005 at 05:45 PM.
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