计算:
\((1)\sqrt{{48}}\div \sqrt{{6}}\);
\((2)-\sqrt{27}\div \left( \dfrac{3}{10}\sqrt{\dfrac{3}{8}} \right)\);
\((3)\sqrt{4{{a}^{3}}b}\div \left( -\sqrt{\dfrac{a}{4b}} \right)\);
\((4)\sqrt{12}\div \sqrt{27}\times \sqrt{18}\).
进入组卷