The book is now available! 5
(another Prime Pages' Curiosity)
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A cryptarithm is a type of mathematical puzzle in which most or all of the digits in a mathematical expression are substituted by letters or other symbols. In the case of XZY + XYZ = YZX, the value of Z must equal 5.


  Submitted: 1999-09-02 18:40:00;   Last Modified: 2012-03-10 13:29:34.

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