The 3x3 Magic square for 1 thru 9 numbers, and addition only (15) is well known.
I am wondering if there are 3x3 Magic squares with answers other than 15 that can be built with multiple math operations ( +, -, X or /) with 1 to 9 numbers.
One may use any of these operations (not just a single one) to develop the square. So if the square is
1 2 3
4 5 6
7 8 9
Then you can use 1+2x3 or 1-2+3 etc etc for development of the square.
All rows and columns and diagonals must result in a same positive or negative integer.
I was only able to do this for rows and columns as below