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2008 la puterea 2-2007×2008-2007+2009=

Răspuns :

   
[tex]\bf \\ 2008^2-2007\times2008-2007+2009=\\\\ =(2008\times 2008-2007\times2008)-2007+2009=\\\\ =2008(2008-2007)-2007+2009=\\\\ =2008 \times 1 -2007+2009=\\\\ =2008 -2007+2009=\\\\ =1+2009= \boxed{\bf 2010} [/tex]