1. It doesn't matter how you swap the numbers, the answer will always stay the same.
2. It doesn't matter how you do the equation, either A, B or C first, the answer you get will always be the same.
3. Whenever a number is in front or behind a number, the answer will always be the same. Example : A( B + C ), 2( 10 + 4 ) = 28.
Sorry Mrs Sin, but I couldn't publish it on your comments. But here is my review...