(0.0081)^-1/4-[3*(7/8)^0]^-1*[81^-0.25+(27/8)^-1/3]^-1/2-10*0.027^1/3
=1/0.3-1/3*[1/3+2/3]^(-1/2)-10*0.3
=10/3-1/3-3
=3-3
=0