Ответ:
Сокращаем степени: \(\frac{a^2}{b^6}\cdot\frac{b^2}{a^2}=\frac1{b^4}\).
\(\frac{4m^2}{k^5}\cdot\frac{mk^5}{12}=\frac{m^3}{3}\).
\(\frac{a}{2b}\cdot2a=\frac{a^2}{b}\).
\(15x^{12}\cdot\frac{y^2}{5x^4}=3x^8y^2\).
\(\frac{11x^3}{y^8}\cdot\frac{y^5}{33x^7}=\frac1{3x^4y^3}\).
\(\frac{7k^8}{9mp}\cdot\frac{27m^3}{56k^6p^2}=\frac{3km^2}{8p^3}\).
