Question

помогите пожалуйста!!! ​

Answer 1

$\displaystyle\bf\\\sqrt[3]{\frac{n^{2} }{9m} } :\sqrt[3]{\frac{3m^{2} }{n} } =\sqrt[3]{\frac{n^{2} }{9m} :\frac{3m^{2} }{n} } =\sqrt[3]{\frac{n^{2} }{9m} \cdot\frac{n }{3m^{2} } } =\sqrt[3]{\frac{n^{3} }{27m^{3} } } =\frac{n}{3m}$