Our editors asked me to produce a Canadian-themed mentalfloss.com Brain Game today to celebrate Canada Day. Since it's the day of the week that we normally offer the Monday Math Square, here's one that's been converted over to metrics so that those on both sides of the border can enjoy. Yay Canada!
Place the digits 1 through 9 in the white blanks so that the mathematical equations work both across and down. Each digit 1 through 9 should appear only once in the main grid (the red square).
NOTE: These puzzles rarely (but occasionally) have alternate solutions that fit the rules. If you find one of these, first make sure that you've followed the instructions to the letter, then pat yourself on the back (and feel free to share your numbers with us in the comments).