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Решите задачу:

$\frac{1}{2}* \sqrt{56} = \sqrt{( \frac{1}{2} ) ^{2} *56} = \sqrt{ \frac{1}{4}*56 } = \sqrt{14}$

$9* \sqrt{ \frac{1}{6} } = \sqrt{ 9^{2}* \frac{1}{6} } = \sqrt{ \frac{81}{6} } = \frac{ \sqrt{27} }{2} = \sqrt{13,5} \sqrt{14}\ \textgreater \ \sqrt{13,5} =\ \textgreater \$
$\frac{1}{2}* \sqrt{56} \ \textgreater \ 9* \sqrt{ \frac{1}{6} }$