№2100
\[\begin{array}{l}
{\text{Simplify}}: \hfill \\
\sqrt {\sqrt 6 + \sqrt 2 + 1} + \sqrt {\sqrt 6 + \sqrt 2 - 1} + \sqrt {\sqrt 6 - \sqrt 2 + 1} + \sqrt {\sqrt 6 - \sqrt 2 - 1} . \hfill \\
\end{array} \]
Your solution
smart: 5
comments