Ответ:
- \(\sqrt{108}\cdot\sqrt{3}=\sqrt{324}=18\).
- \(\sqrt{52}\cdot\sqrt{13}=\sqrt{676}=26\).
- \(\sqrt{160}\cdot\sqrt{250}=\sqrt{40000}=200\).
- \(\sqrt{0.4}\cdot\sqrt{4.9}=\sqrt{1.96}=1.4\).
- \(\frac{\sqrt{288}}{\sqrt{2}}=\sqrt{144}=12\).
- \(\frac{\sqrt{90}}{\sqrt{0.225}}=\sqrt{400}=20\).
