<span>дан многочлен f(x; y) = </span><span>2x</span><span>^</span><span>2</span><span>(-</span><span>1</span><span>)</span><span>y</span><span> - </span><span>7yx</span><span>^</span><span>2</span><span> + 2xy^</span><span>2</span><span> + 5 - 3yxy - 11y^3 + (x+y) yx - 2 xyx</span>
<span>приведите пожалуйста к стандартному виду. срочно</span>