\(\dfrac{\sqrt{6}+\sqrt{14}}{2\sqrt{3}+\sqrt{28}}\)

\(\dfrac{\sqrt{2}+\sqrt{3}+\sqrt{6}+\sqrt{8}+4}{\sqrt{2}+\sqrt{3}+\sqrt{4}}\)

\(\dfrac{3\sqrt{8}-2\sqrt{12}+\sqrt{20}}{3\sqrt{18}-2\sqrt{27}+\sqrt{45}}\)

\(\dfrac{\sqrt{15}-\sqrt{5}}{\sqrt{3}-1}+\dfrac{5-2\sqrt{5}}{2\sqrt{5}-4}\)

\(\left(\sqrt{3}+1\right).\dfrac{\sqrt{3}-3}{2\sqrt{3}}\)

\(\dfrac{3\sqrt{18}-2\sqrt{8}}{\sqrt{50}}\)

\(\dfrac{\sqrt{10}-\sqrt{15}}{\sqrt{8}-\sqrt{12}}\)

\(\dfrac{\sqrt{6}-\sqrt{15}}{\sqrt{35}-\sqrt{14}}\)

\(\dfrac{5+\sqrt{5}}{\sqrt{10}+\sqrt{2}}\)

\(\sqrt{5}-\sqrt{3-\sqrt{29-12\sqrt{5}}}=\sqrt{5}-\sqrt{3\sqrt{\left(\sqrt{20-3}\right)^2}}\)

\(\sqrt{\sqrt{5}-\sqrt{3-\sqrt{29-6\sqrt{20}}}}\)

\(\sqrt{6+2\sqrt{5-\sqrt{13+\sqrt{48}}}}\)

a, \(\sqrt{200}-\sqrt{32}+\sqrt{72}\)

b, \(4\sqrt{20}-3\sqrt{125}+5\sqrt{45}-15\sqrt{\dfrac{1}{5}}\)

c, \(\left(2\sqrt{8}+3\sqrt{5}-7\sqrt{2}\right)\left(72-5\sqrt{20}-2\sqrt{2}\right)\)

\(\left(\dfrac{-9}{13}\right)\left(\dfrac{-4}{5}\right)\)

\(-0,7:\dfrac{3}{2}\)

\(\dfrac{7}{6}.3\dfrac{1}{4}+\dfrac{7}{6}.\left(-0,25\right)\)

\(0,36.\dfrac{-5}{9}\) 

\(\dfrac{-7}{6}:1\dfrac{5}{7}\)

\(\dfrac{4}{\sqrt{7}-\sqrt{3}}-\dfrac{4}{\sqrt{7}+\sqrt{3}}\)