1.（-1）^4-1/6*[2-(-3)^2]=1-1/6*(2-9)=1-7/6=13/62.{0.85-[12+4*(3-10)]}/5=[0.85-(12+4*(-7))]/5=(0.85-(12-28))/5=(0.85+16)/5=16.85/5=3.373.-3-[-5+（1-0.2*3/5）÷（-2）]=-3-[-5+(1-0.12)÷（-2）]=-3-[-5+0...