$$\left. \begin{array} { l } { 6 a b c , 24 } \\ { a b ^ { 2 } / 12 a ^ { 2 } } \\ { b ^ { 1 / 2 a ^ { 2 } } } \end{array} \right.$$
$6abc,\ 24,\ \frac{b^{2}a^{3}}{12},\ b^{\frac{a^{2}}{2}}$
