\[\ \left( \sqrt{3} + \sqrt{2} \right)^{2} = 3 + 2\sqrt{6} + 2 = 5 + 2\sqrt{6}\]
\[\frac{1}{2}\sqrt{60} < 10\sqrt{\frac{1}{5}}\]
\[\frac{1}{4} \cdot 60 < 100 \cdot \frac{1}{5}\]
\[15 < 20.\]
\[\ \frac{5 - \sqrt{5}}{\sqrt{10} - \sqrt{2}} = \frac{\sqrt{5}\left( \sqrt{5} - 1 \right)}{\sqrt{2}\left( \sqrt{5} - 1 \right)} = \frac{\sqrt{5}}{\sqrt{2}} = \sqrt{2,5}\]