How do you make the sum of 15 just using the numbers 1-9?

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You have a box divide by 9 squares and the all have to add to the sum of 15, going horizontal and vertical.

2006-09-12 11:12:13 · 3 answers · asked by Just wondering in Oxnard 1 in Science & Mathematics ➔ Mathematics

Magic square

4 9 2
3 5 7
8 1 6

2006-09-12 11:14:22 · answer #1 · answered by dutch_prof 4 · 0⤊ 0⤋

5+2+7+1

2006-09-12 18:28:14 · answer #2 · answered by miamelissa 1 · 0⤊ 0⤋

9+6=15

2006-09-12 18:17:48 · answer #3 · answered by Anonymous · 0⤊ 0⤋