Odpowiedź:
[tex]a)\ \ \sqrt{24}\cdot\sqrt{6}-\sqrt{24}:\sqrt{6}=\sqrt{24\cdot6}-\sqrt{24:6}=\sqrt{144}-\sqrt{4}=12-2=10\\\\\\b)\ \ \sqrt{18}:\sqrt{2}-\sqrt{18}\cdot\sqrt{2}=\sqrt{18:2}-\sqrt{18\cdot2}=\sqrt{9}-\sqrt{36}=3-6=-3\\\\\\c)\ \ \sqrt{15}\cdot\sqrt{60}-\sqrt{15}:\sqrt{60}=\sqrt{15\cdot60}-\sqrt{\frac{15}{60}}=\sqrt{900}-\sqrt{\frac{1}{4}}=30-\frac{1}{2}=29\frac{1}{2}[/tex]
[tex]d)\ \ \sqrt{2}:\sqrt{50}-\sqrt{2}\cdot\sqrt{50}=\sqrt{\frac{2}{50}}-\sqrt{2\cdot50}=\sqrt{\frac{1}{25}}-\sqrt{100}=\frac{1}{5}-10=\frac{1}{5}-9\frac{5}{5}=-9\frac{4}{5}[/tex]
