Восстанови запись
\(\dfrac{5z}{6xy^2} = \dfrac{5z\cdot 5z^3}{30xy^2z^3} = \dfrac{25z^4}{30xy^2z^3}\) .

1. \(\dfrac{8}{5abc} = \dfrac{8\cdot ...}{30ab^2c^3} =...\)
2. \(\dfrac{2a}{15c^2x} = \dfrac{2a\cdot ...}{30ac^2x^3} =...\)
3. \(\dfrac{x^3}{10yz^2} = \dfrac{x^3\cdot ...}{30xy^2z^3} =...\)