1. ## samples the property addition.

2. Originally Posted by idaliaa
Are you talking about the commutative property of addition (a+b=b+a)? or am I just behind on my addition properties...

3. Originally Posted by idaliaa
Tell us what part of your course this comes from, and we might be able
to help without guessing.

RonL

4. Originally Posted by idaliaa
$a>b \mbox{ and }c>d\mbox{ then }a+c>b+d$
$x+0=0+x=x$ for any real x
For any $x,y,z$ that are real you have,
$(x+y)+z=x+(y+z)$