4) \(\dfrac{12^4}{3^2\cdot4^3}\)

Разложим \(12=3\cdot4\):

\(\dfrac{12^4}{3^2\cdot4^3}=\dfrac{3^4\cdot4^4}{3^2\cdot4^3}=3^{4-2}\cdot4^{4-3}=3^2\cdot4=36\).

Ответ: 36.