求值:1g8+1g125-1g2-1g5/1g根号下101g0.1等于

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求值:1g8+1g125-1g2-1g5/1g根号下101g0.1等于求值:1g8+1g125-1g2-1g5/1g根号下101g0.1等于求值:1g8+1g125-1g2-1g5/1g根号下101g

求值:1g8+1g125-1g2-1g5/1g根号下101g0.1等于
求值:1g8+1g125-1g2-1g5/1g根号下101g0.1等于

求值:1g8+1g125-1g2-1g5/1g根号下101g0.1等于
(1g8+1g125-1g2-1g5)/1g根号下101g0.1
=(lg1000 - lg10)/[(1/2)*(-1)]
=(3-1)/(-1/2)
=2*(-2)
=-4