lg5*lg8000+3(lg2)2+lg（1\6)+lg0.06
=lg5*lg8*(10)3+3(lg2)2-lg6+lg6*[(10)-2]
=lg5*[3*lg2+3]+3(lg2)2-lg6+lg6-2
=3(lg2)2+3*lg5*lg2+3*lg5-2
=3*lg2（lg2+lg5）+3*lg5-2
=3*lg2+3*lg5-2
=3-2
=1