A domino storage box will fit 6 half dominoes across by 6 half dominoes wide. Put the following dominoes in the box, numbers up, such that the sum of each row and column totals 14.
(0,0) (1,0) (1,1) (2,0) (2,1) (2,2) (3,0) (3,1) (3,2) (4,1) (4,2) (4,4) (5,1) (5,2) (6,0) (6,1) (6,4) (6,5)
Unless I am completely wrong, the sum af all dots is 90, which gives a total of 15 for every row/column. So to get the sum totalling 14 may, as said, be very difficult.
I guess its a typo and Cory meant 15.
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Posted by Hugo
on 2005-12-28 09:29:38 |