re: statement 5-2 does not equal 2-5: your reasoning is incorrect. 5-2 = 2 +5, therefore commutative rule still applies. Remember there is no subtraction, only adding of negatives, and there is no division, only multiplying of fractions :)
One day we were eating at Taco Bell, and my kids pointed out that the lady near by had a Chihuahua. His head kept poking up from time to time, and she would smile and push him down. She never got caught :-D
When i got my poodle, he was already docked. Later, in Germany, i saw two poodles with tails, and they were just beautiful, why would someone cut them off?
re: statement 5-2 does not equal 2-5: your reasoning is incorrect. 5-2 = 2 +5, therefore commutative rule still applies. Remember there is no subtraction, only adding of negatives, and there is no division, only multiplying of fractions :)