(lg根号27+lg5-lg10根号2)/lg1.5

发布时间:2021-02-19 21:45:25

(lg根号27+lg5-lg10根号2)/lg1.5

网友回答

(lg√27+lg5-lg10√2)/lg1.5={(3/2)lg3+(1-lg2)-[1+(1/2)lg2]}/(lg3-lg2)=(3/2)(lg3-lg2)/(lg3-lg2)=3/2
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