Ответ: [tex] \frac{2}{3} : \sqrt{ \frac{1}{0.09}} * \frac{1}{ \sqrt{25} } = \frac{2}{3} : \frac{1}{0.3} * \frac{1}{5} = \frac{2}{3} * \frac{3}{10} * \frac{1}{5} = \frac{1}{25}; [/tex]