11/5*(1/3-1/2)*3/11÷5/4 =11/5*(-1/6)*3/11*4/5=-2/25-0.25^2÷(-1/3)^3+(1/3-1/2)*(-1) =-(1/4)^2÷(-1/27)+(-1/6)*(-1)=1/16*27+1/6=27/16+1/6=81/48+8/48=89/48