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2 laputerea 2007 supra 4 la puterea 1004=x supra 0,5
URGENT : (((


Răspuns :

[tex] \frac{ 2^{2007} }{ 4^{1004} }= \frac{x}{0,5} => \frac{ 2^{2007} }{ ( 2^{2} )^{1004} }= \frac{x}{ \frac{1}{2} }=>\frac{ 2^{2007} }{ 2^{2008} }= 2*x=> \frac{1}{2} =2*x[/tex]
[tex]=>4*x=1=>x= \frac{1}{4} [/tex]