Ответ:
\(\sqrt{50}=5\sqrt{2}\), \(\sqrt{8}=2\sqrt{2}\).
\[4\sqrt{2}+5\sqrt{2}-2\cdot2\sqrt{2}=5\sqrt{2}.\]
Ответ: \(5\sqrt{2}\).
\(\sqrt{50}=5\sqrt{2}\), \(\sqrt{8}=2\sqrt{2}\).
\[4\sqrt{2}+5\sqrt{2}-2\cdot2\sqrt{2}=5\sqrt{2}.\]
Ответ: \(5\sqrt{2}\).