Ответ:
\(\sqrt{27}=3\sqrt{3}\), \(\sqrt{48}=4\sqrt{3}\), \(\sqrt{12}=2\sqrt{3}\).
\((3\sqrt{3}-4\sqrt{3})\cdot2\sqrt{3}=-1\cdot6=-6\).
Ответ: −6.
\(\sqrt{27}=3\sqrt{3}\), \(\sqrt{48}=4\sqrt{3}\), \(\sqrt{12}=2\sqrt{3}\).
\((3\sqrt{3}-4\sqrt{3})\cdot2\sqrt{3}=-1\cdot6=-6\).
Ответ: −6.