alleryA 3x3 magic square uses 1 to 9. Every line sums to?
A18
B12
C45
D15
Answer & Solution
Correct answer: D. 15
1. The numbers 1 to 9 add to 45.
2. Three equal rows share 45.
3. 45 / 3 = 15.
_Source: Wikipedia, Magic square (CC BY-SA 4.0), Magic square_
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