Rút gọn:
a)(\(\sqrt{8}-3\sqrt{2}+\sqrt{10}\))\(.\sqrt{2}-\sqrt{5}\)
b)(\(\frac{1}{2}\sqrt{\frac{1}{2}}-\frac{3}{2}\sqrt{2}\)+\(\frac{4}{5}\sqrt{200}\))\(:\frac{1}{8}\)
c)(\(\frac{2\sqrt{3}-\sqrt{6}}{\sqrt{8}-2}-\frac{\sqrt{216}}{3}\))\(.\frac{1}{\sqrt{6}}\)
d)(\(\frac{\sqrt{14}-\sqrt{2}}{1-\sqrt{2}}+\frac{\sqrt{15}-\sqrt{5}}{1-\sqrt{3}}\))\(:\frac{1}{\sqrt{7}-\sqrt{5}}\)