-（-1）的四次方-（0.5-2/3）÷1/3*【-2-（-3）³】-丨1/8-0.5²丨
=-1-(1/2-2/3)×3×(-2+27)-丨0.125-0.25丨
=-1+1/2×25-0.125
=-1+12.5-0.125
=11.375