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Участник ЗнанийУчастник Знаний
1)
 \left \{ {{5^x\ \textgreater \ 25} \atop {( \frac{1}{3})^{x-8}\ \textless \  \frac{1}{27}  }} \right. =\ \textgreater \  \left \{ {{5^x\ \textgreater \ 5^2} \atop {( \frac{1}{3})^{x-8}\ \textless \ ( \frac{1}{3} )^3 }} \right. =\ \textgreater \  \left \{ {{5^x\ \textgreater \ 5^2} \atop {3^{-(x-8)}\ \textless \ 3^{-3}}} \right. =\ \textgreater \  \left \{ {{x\ \textgreater \ 2} \atop {8-x\ \textless \ -3}} \right. =\ \textgreater \  \\  \\ =\ \textgreater \  \left \{ {{x\ \textgreater \ 2} \atop {x\ \textgreater \ 11}} \right. =\ \textgreater \ x \in (11; +\infty)

2)
 \left \{ {{8\ \textgreater \ ( \frac{1}{2} )^{6-x}} \atop {3^{4x}\ \textgreater \ 81}} \right. =\ \textgreater \  \left \{ {{2^3\ \textgreater \ 2^{-(6-x)}} \atop {3^{4x}\ \textgreater \ 3^4}} \right. =\ \textgreater \  \left \{ {{3\ \textgreater \ x-6} \atop {4x\ \textgreater \ 4}} \right. =\ \textgreater \  \left \{ {{x\ \textless \ 9} \atop {x\ \textgreater \ 1}} \right. =\ \textgreater \ x\in (1;9)
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