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Subject:   magic number grid matrix
Name:   Jonathan Summerfield
Date Posted:   Mar 15, 06 - 4:16 PM
Email:   Click here to Email
Message:   Hi all
Does anyone know the mathematical effect where numbers on a 4x4 matrix/grid are seemingly randomly written into each square and the four corners all add up to a particular number. When you also add up the four central squares the answer is the same number as the sum of the corner squares. Also, the sum of the bottom four squares and all the other similar groups of four also add up to them same number. I have been looking for the solution as to how to quickly do this for any number. Can any kind person help me?
   


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