[lg5*lg8000+(lg2^根三)^2]/(lg600-1/2lg0.036-1/2lg0.1)=[(lg5*(lg8+3)+(√3*lg2)^2]/[lg6+2-1/2lg(0.036*0.1)]=[3lg5*lg2+3lg5+3*(lg2)^2]/[lg6+2-lg√(0.0036)]=[3lg2(lg5+lg2)+3lg5]/[lg6+2-lg0.06]=(3lg2+3lg5)...