2log₃ 2-log₃(32/9)+log₃8-3^(2+log₃5)=log₃4-log₃(32/9)+log₃8-3^2*3^log₃5=log₃(4÷32/9×8) -9*5=log₃(4×9/32×8)-45=log₃9-45=2-45=-43最...