1) \log_{3}\dfrac{1}{27}= ; 2) \left(\dfrac{1}{3}\right)^{2\log_{\frac{1}{3}}7}= ; 3) \log_{2}56+2\log_{2}12-\log_{2}63= .

Задание

Вычисли

\(\log\_{3}\dfrac{1}{27}=\) [ ];
\(\left(\dfrac{1}{3}\right)^{2\log\_{\frac{1}{3}}7}=\) [ ];
\(\log\_{2}56+2\log\_{2}12-\log\_{2}63=\) [ ].