Here's something new in the Brain Game mix: a math square puzzle!

The nine squares that make up the main grid should be filled with the digits 1 through 9. Two of these (2 and 7) are already provided for you. Place the other digits in the correct spots so that the mathematical equations work both across and down. (Remember your algebraic rules when solving the problems... multiplication and division should be solved first, then addition and subtraction.) Good luck!

math square 01

Here is the SOLUTION.