\sqrt{\frac{3^{12}}{5^{20}}}

\nthroot{8}{\frac{x^{8}}{2^{32}}}

\nthroot{8}{\frac{x^{80}}{5^{72}}}

\nthroot{10}{\frac{7^{80}}{2^{50}}}

\nthroot{9}{\frac{7^{63}}{y^{90}}}

\nthroot{10}{\frac{7^{70}}{2^{20}}}

\nthroot{7}{\frac{3^{56}}{5^{14}}}

\nthroot{9}{\frac{7^{27}}{y^{27}}}

\nthroot{7}{\frac{x^{63}}{5^{35}}}

\nthroot{3}{\frac{7^{15}}{5^{12}}}

\nthroot{5}{\frac{7^{25}}{2^{35}}}

\nthroot{6}{\frac{x^{18}}{2^{36}}}

\sqrt{\frac{7^{4}}{2^{16}}}

\nthroot{8}{\frac{x^{80}}{2^{80}}}

\nthroot{5}{\frac{3^{25}}{y^{10}}}

\nthroot{6}{\frac{3^{6}}{2^{24}}}

\nthroot{4}{\frac{3^{12}}{5^{40}}}

\nthroot{9}{\frac{3^{36}}{5^{81}}}

\nthroot{9}{\frac{x^{36}}{2^{18}}}

\nthroot{8}{\frac{7^{32}}{5^{48}}}

\nthroot{7}{\frac{3^{14}}{y^{56}}}

\nthroot{7}{\frac{7^{14}}{2^{70}}}

\nthroot{7}{\frac{3^{14}}{y^{28}}}

\nthroot{9}{\frac{7^{36}}{y^{54}}}