3\cdot\sqrt{18} + 9\cdot\nthroot{6}{9^3\cdot8}

\frac{4+\sqrt{3}}{3\cdot\sqrt{3}+4}

\frac{9}{\sqrt{\sqrt{41}-4}}

\frac{1}{ \nthroot{5}{2^{12}} }

3\cdot\sqrt{63} + 8\cdot\nthroot{4}{9^2\cdot49}

\frac{5}{3\cdot\sqrt{8}-\sqrt{2}}

\frac{7}{\sqrt{3}-8}

\frac{1}{ \nthroot{9}{3^{25}} }

3\cdot\nthroot{3}{16} + 2\cdot\nthroot{6}{8^2\cdot4}

4\cdot\nthroot{3}{135} + 7\cdot\nthroot{9}{27^3\cdot125}