(1-lg3)(lg8+lg√27-lg√1000)/lg0.3lg1.2
问题描述：
(1-lg3)(lg8+lg√27-lg√1000)/lg0.3lg1.2
答
(1-lg3)(lg8+lg√27-lg√1000)/lg0.3lg1.2=(1-lg3)(lg2^3+lg3^3/2-lg10^3/2)/[(lg3-1)(lg12-1)]=(1-lg3)(lg2^3+lg3^3/2-lg10^3/2)/[(1-lg3)(1-lg12)]=(lg2^3+lg3^3/2-lg10^3/2)/(1-lg12)=(3lg2+3/2*lg3-3/2*lg10)/(1...