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Thursday, July 26, 2012

3x3 magic square

This is a 3x3 magic square. In order to solve it numbers from 1 to 9 should be filled in the empty cells so that the sum in each row, column and diagonal would be equal. In the case of a 3x3 grid the sum must be 15. Can you fill it so that each row,column and diagonal has a total sum of 15?






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