计算(lg√27+lg8-lg√1000)/lg1.2.lg1.2=lg12-1?

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计算(lg√27+lg8-lg√1000)/lg1.2.
lg1.2=lg12-1?

(lg√27+lg8-lg√1000)/lg1.2
=(3/2lg3+3lg2-3/2)/(lg12-1)
=3/2(lg3+2lg2-1)/(lg12-1)
=3/2(lg12-1)/(lg12-1)
=3/2