\(\left(\sqrt{125}-\sqrt{12}-2\sqrt{5}\right)\left(3\sqrt{5}-\sqrt{3}+\sqrt{27}\right)\)

\(\dfrac{1}{\sqrt{5}-\sqrt{3}}\) - \(\dfrac{1}{\sqrt{5}+\sqrt{3}}\)

2\(\sqrt{27}\)-\(\sqrt{\dfrac{16}{3}}\)-\(\sqrt{48}\)-\(\sqrt{8\dfrac{1}{3}}\)

\(\sqrt{12}\)-\(\sqrt{27}\)+\(\sqrt{48}\)

\(\dfrac{\left(\sqrt{x}+\sqrt{y}\right)^2-4\sqrt{xy}}{\sqrt{x}-\sqrt{y}}\) + \(\dfrac{x\sqrt{y}-y\sqrt{x}}{\sqrt{xy}}\)

\(\dfrac{x-1}{\sqrt{y}-1}\) . \(\sqrt{\dfrac{\left(y-2\sqrt{y}+1\right)^2}{\left(x-1\right)^4}}\)