[（-2ab）^2*（0.5a^3b^2c)]^3/[-8a(a^2b)^5]=[4a^2b^2*0.5a^3b^2c]^3/[-8a*a^(2*5)*b^5]=[(4*0.5)*a^(2+3)*b^(2+2)c]/[-8*a^(1+10)*b^5]=[2*a^5b^4c]^3/[-8*a^11*b^5]=[2^3*a^(5*3)*b^(4*3)*c^3]/[-8*a^11*b^5]=[8*...