Berechne

$\sqrt{\large 10x^{\frac{1}{3}}\cdot \sqrt[3]{\frac{1}{x}}-y^\frac{1}{2}\cdot \sqrt{y}} = \sqrt{\large 10x^{\frac{1}{3}}\cdot (\frac{1}{x^\frac{1}{3}})-y} = \sqrt{10-y}$