№1629
\[\begin{array}{l}
{\text{Решите систему уравнений:}} \hfill \\
\left\{ \begin{array}{l}
\frac{{{{\left( {x + y} \right)}^5} + {{\left( {x - y} \right)}^5}}}{{{{\left( {x + y} \right)}^5} - {{\left( {x - y} \right)}^5}}} = \frac{{122}}{{121}} \hfill \\
{x^2} + xy + {y^2} + x + y = 10 \hfill \\
\end{array} \right. \hfill \\
\end{array}\]
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