You have a box divide by 9 squares and the all have to add to the sum of 15, going horizontal and vertical.How do you make the sum of 15 just using the numbers 1-9?
Magic square
4 9 2
3 5 7
8 1 6How do you make the sum of 15 just using the numbers 1-9?
5+2+7+1
9+6=15
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