(2lg2+lg3)/(1+0.5lg0.36+1/3lg8)
=(lg4+lg3)/(1+lg√0.36 +lg(2^3)^(1/3))
=lg12/(1+lg0.6+lg2)
=lg12/(lg10+lg0.6+lg2)
=lg12/lg(10*0.6*2)
=lg12/lg12
=1