From: Loyd <loydlin#aol.com>
To: Teacher2Teacher Public Discussion
Date: 2003030616:01:42
Subject: Re: integers;two negatives make a positive?


-4- -4 =0.  I sometimes think of the two adjacent negative signs as  
-1 x +1. Especially if there is a parenthesis such as:

-4 - (-4)=0 

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