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Решите систему уравнений
[tex] \left \{ {{ \frac{1}{lg y -1}+ \frac{1}{lgy+1} = 2^{-x} } \atop { lg^2{y}- 2^{x} =5}} \right. [/tex]
⇒[tex] \left \{ {{2lgy= \frac{1}{ 2^{x} } lg^{2}y }- \frac{1}{ 2^{x} } \atop { lg^{2}y- 2^{x} =5}} \right. [/tex]
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