\[\left\{ \begin{matrix}y = 0,5x^{2} \\y - x = 1 \\\end{matrix} \right.\ \text{\ \ \ \ \ \ \ \ }\left\{ \begin{matrix}y = 0,5x^{2} \\y = x + 1 \\\end{matrix} \right.\ \]
\[Ответ:( - 0,7;0,3);\ \ (2,7;3,7).\]