math properties for (4+5)+0=4+5 and 3(7-2)=3(7)-3(2)

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bluebear04
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math properties for (4+5)+0=4+5 and 3(7-2)=3(7)-3(2)

Postby bluebear04 » Thu Aug 27, 2009 11:31 pm

what is the math property of these promblems:
(4+5)+0=4+5

and...

3(7-2)=3(7)-3(2)

plzz and answer soon as possible

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stapel_eliz
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Postby stapel_eliz » Fri Aug 28, 2009 1:31 am

To learn what the number properties are and how to recognize them, try here. :wink:


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