Ответ:

  1. \(\dfrac{4a^2b^3}{2a^4b^2}=\dfrac{2b}{a^2}\).
  2. \(\dfrac{3xy^2}{6x^3y^3}=\dfrac{1}{2x^2y}\).
  3. \(\dfrac{24p^4q^4}{48p^2q^2}=\dfrac{p^2q^2}{2}\).
  4. \(\dfrac{36m^2n}{18mn}=2m\).
  5. \(\dfrac{-32b^5c}{12b^4c^2}=-\dfrac{8b}{3c}\).
  6. \(\dfrac{-6ax}{-18ax}=\dfrac{1}{3}\).

Ответ: а) \(\dfrac{2b}{a^2}\); б) \(\dfrac{1}{2x^2y}\); в) \(\dfrac{p^2q^2}{2}\); г) \(2m\); д) \(-\dfrac{8b}{3c}\); е) \(\dfrac{1}{3}\).