06-15-2017, 10:06 AM
Voted
The value of x such that a 3x3 grid can be filled with the numbers from 1 to 9, so that each row, column, and diagonal sums to x.
[spoiler]15, for example:
![[Image: MagicSquare-Order3.png]](https://upload.wikimedia.org/wikipedia/en/a/a3/MagicSquare-Order3.png)
[/spoiler]
The value of x such that a 3x3 grid can be filled with the numbers from 1 to 9, so that each row, column, and diagonal sums to x.
[spoiler]15, for example:
[/spoiler]