Answer:
[tex]1 \div \sqrt{}3 - \sqrt{2} [/tex]
[tex] \frac{1 - \sqrt{2} \sqrt{3} }{ \sqrt{3} } [/tex]
[tex] \frac{(1 - \sqrt{6}) \sqrt{3} }{ \sqrt{3} \sqrt{3} } [/tex]
[tex] \frac{ \sqrt{3} - \sqrt{6 \times 3} }{3} [/tex]
[tex] \frac{ \sqrt{3} - 3\sqrt{2} }{3} [/tex]
is a required answer.