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 Post subject: 3x3 grid equaling 18
PostPosted: Mon, 15 Aug 2011 08:25:11 UTC 
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Joined: Mon, 15 Aug 2011 08:19:56 UTC
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In a 3x3 grid using numbers 2-10 once only with every row, column and diagonal equaling 18.
Any help would be much appreciated.


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 Post subject: Re: 3x3 grid equaling 18
PostPosted: Mon, 15 Aug 2011 12:10:58 UTC 
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Member of the 'S.O.S. Math' Hall of Fame

Joined: Sun, 24 Jul 2005 20:12:39 UTC
Posts: 4182
Location: Ottawa Ontario
Look up "magic squares"

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