Ответ:
- \(\sqrt{72}\cdot\sqrt{2}=\sqrt{144}=12\).
- \(\sqrt{360}\cdot\sqrt{490}=\sqrt{176400}=420\).
- \(\frac{\sqrt{242}}{\sqrt{2}}=\sqrt{121}=11\).
- \(\frac{\sqrt{40}}{\sqrt{0,025}}=\sqrt{\frac{40}{0,025}}=\sqrt{1600}=40\).
Ответ: 1) 12; 2) 420; 3) 11; 4) 40.
