\[\boxed{\mathbf{604\ (604).\ }Еуроки\ - \ ДЗ\ без\ мороки}\]
\[y = \frac{x}{\sqrt{x}}\]
\[y = \frac{\sqrt{x} \cdot \sqrt{x}}{\sqrt{x}}\]
\[y = \sqrt{x},\ \ \ x > 0\]