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May 29, 2015

Homework Help: pre-algebra

Posted by debbie on Wednesday, March 7, 2007 at 3:10pm.

simplify-
3+2+7=7+2+3

4(2+1)=4(2)+4(1)

(2+3)+6=2+(3+6)

Huh? Simplify...
3+2+7=12
4(2+1)=12
(2+3)+6=11

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