Ответ:

  1. \((\sqrt{32}+2\sqrt{18})\cdot\sqrt{2}=(4\sqrt{2}+6\sqrt{2})\cdot\sqrt{2}=10\sqrt{2}\cdot\sqrt{2}=20\).
  2. \((2\sqrt{50}-5\sqrt{2})\cdot\sqrt{2}=(10\sqrt{2}-5\sqrt{2})\cdot\sqrt{2}=5\sqrt{2}\cdot\sqrt{2}=10\).