Tuesday
May 26, 2015

Homework Help: math

Posted by sierra on Monday, March 5, 2007 at 3:48pm.

why dosnt the commutitive property work with subtraction and division?


For subtraction : Because a - b and b - a are not the same. They are of opposite sign.

For division:
a/b does not equal b/a. If it did, you would have a^2 = b^2 for ANY a and b, which is impossible

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