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Old 07-14-2008, 04:53 AM   #5 (permalink)
kobe317
Trying to make mom and pop proud
 
Join Date: Jul 2008
Posts: 14
kobe317 just joined TestMagic.
ustado, I dont know how to expres it, or whether it can be called a formula.

a=(a+b-b)=(a+-b+c-c)=.....
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