Math Quiz

in #math7 years ago

A magic square is an arrangement of the numbers from 1 to n^2 (n-squared) in an nxn matrix, with each number occurring exactly once, and such that the sum of the entries of any row, any column, or any main diagonal is the same. It is not hard to show that this sum must be n(n^2+1)/2

Please try to solve this magic square by guessing the number of question mark (?) in the comment.

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The answer is 5.

Right answer.

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well i guess its 15? just a guess...

No this is not correct.

5

Well done. Followed you for right guessing.

5
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Right answer.