(lg根号27+lg8-3lg根号10)除以lg1.2
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/01 05:05:45
![(lg根号27+lg8-3lg根号10)除以lg1.2](/uploads/image/z/2507215-31-5.jpg?t=%28lg%E6%A0%B9%E5%8F%B727%2Blg8-3lg%E6%A0%B9%E5%8F%B710%29%E9%99%A4%E4%BB%A5lg1.2)
(lg根号27+lg8-3lg根号10)除以lg1.2
(lg根号27+lg8-3lg根号10)除以lg1.2
(lg根号27+lg8-3lg根号10)除以lg1.2
(lg√27+lg8-3lg√10) ÷lg1.2
=((3/2)lg3+3lg2-(3/2)) ÷(lg12-1)
=(3/2)(lg3+2lg2-1) ÷(lg3+lg4-1)
=(3/2)(lg3+2lg2-1) ÷(lg3+2lg2-1)
=3/2.