Упростите : -(1/3ху^3)^2*(-3х)^3 (-5х^3у)^2*(1/5аb^3)^3
……= - 1/9 х^2*у^6 * (-9)х^3=х^5 у^6 ……=25а^6 в^2 * 1/25 а^3в^9=а^9в^11