Ответ:
1) \(4\sqrt{2}+\sqrt{50}-\sqrt{18}=4\sqrt{2}+5\sqrt{2}-3\sqrt{2}=6\sqrt{2}\).
а) \(7\sqrt{3}-\sqrt{48}+\sqrt{27}=7\sqrt{3}-4\sqrt{3}+3\sqrt{3}=6\sqrt{3}\).
Ответ: 1) \(6\sqrt{2}\); а) \(6\sqrt{3}\).
1) \(4\sqrt{2}+\sqrt{50}-\sqrt{18}=4\sqrt{2}+5\sqrt{2}-3\sqrt{2}=6\sqrt{2}\).
а) \(7\sqrt{3}-\sqrt{48}+\sqrt{27}=7\sqrt{3}-4\sqrt{3}+3\sqrt{3}=6\sqrt{3}\).
Ответ: 1) \(6\sqrt{2}\); а) \(6\sqrt{3}\).