问题标题:
[(lg2+lg5-lg1)/(2lg0.5+lg8)]*(lg32-lg2)分步计算步骤,
问题描述:
[(lg2+lg5-lg1)/(2lg0.5+lg8)]*(lg32-lg2)分步计算步骤,
宁春林回答:
[(lg2+lg5-lg1)/(2lg0.5+lg8)]*(lg32-lg2)
=[(lg2*5/1)/(lg0.5*0.5*8)]*lg32/2
=(1/lg2)*lg16
=4lg2/lg2
=4
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