(lg根号27+lg8-3lg根号10)除以lg1.2
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![(lg根号27+lg8-3lg根号10)除以lg1.2](/uploads/image/z/474021-45-1.jpg?t=%28lg%E6%A0%B9%E5%8F%B727%EF%BC%8Blg8%EF%BC%8D3lg%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根号27+lg8-3lg根号10)除以lg1.2
=(lg根号27+lg8-lg根号1000)除以lg1.2
=lg(根号27 * 8 / 根号1000)除以lg1.2
=lg(6根号6 除以 5根号5) 除以lg(6/5)
=log(6/5)(6根号6 除以 5根号5)
(6/5)为底数 (6根号6 除以 5根号5)为真数
=3/2
(lg根号27+lg8-3lg根号10)除以lg1.2
=(lg根号27+lg8-lg根号1000)除以lg1.2
=lg(根号27 * 8 / 根号1000)除以lg1.2
=lg(6根号6 除以 5根号5) 除以lg(6/5)
=log(6/5)(6根号6 除以 5根号5)
(6/5)为底数 (6根号6 除以 5根号5)为真数
=3/2