Сократите дробь: (6x^2y^2-24x^3y^3)/(1-4xy)*xy^3.

\[\frac{6x^{2}y^{2} - 24x^{3}y^{3}}{(1 - 4xy)xy^{3}} =\]

\[= \frac{6x^{2}y^{2}(1 - 4xy)}{(1 - 4xy)xy^{3}} = \frac{6x}{y}.\]