associative property
An exothermic chemical reaction.
If you do not assume that "plus" is commutative, all that can be said that it is equal to A plus B.
AB = 2 x 4 (8) C = 3 D = 5
a= 2, b = 3 (or vice-versa)
You could conclude that B lies between A and C.
Ab = 25 CD
yes because ab plus bc is ac
Oh, dude, you're hitting me with some math here. Okay, so, like, if you have "ab" plus "ab," you're basically just adding the same thing twice, so it's like adding two apples plus two apples - you end up with four apples. So, "ab" plus "ab" equals "2ab." Math can be weirdly simple sometimes, right?
Commutativity.
The existence of the additive inverse (of ab).
associative property
the midpoint of AB.
ab=1a+1b a is equal to either 0 or two, and b is equal to a
If, as is normal, ab represents a times b, etc then ab + ab + cc = 2ab + c2 which is generally not the same as abc.
ABC
No, A+B is left as A+B AB would be A x B