Решете

[Гост]

[tex]\begin{array}{|l} 4x^{2} - 2xy + y^{2}= 4 \\ y^{2} -xy = 2 \end{array}[/tex]

и

[tex]\begin{array}{|l} x - 2y = 3 \\ 3x + 5y = 5 \end{array}[/tex]