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January 27, 2015

January 27, 2015

Posted by **oh noes he didnt** on Saturday, November 20, 2010 at 11:32am.

- 7th grade math -
**Ms. Sue**, Saturday, November 20, 2010 at 11:39amhttp://www.mathsisfun.com/positive-negative-integers.html

http://www.mathgoodies.com/lessons/vol5/subtraction.html

- 7th grade math -
**lexy1727**, Sunday, November 28, 2010 at 3:57pmTo subtract integers it, you do additon of the opposite.

Example:

-2-3

now becomes

-2+-3

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