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数学
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数学对数方程
1/2log3 10+3lg根号2-lg根号6/5
请知道的朋友写下步骤,
人气:335 ℃ 时间:2020-05-11 01:35:47
解答
1/2log3 10+3lg根号2-lg根号6/5
=lg3/lg100+lg2根号2-lg根号6/5
=lg根号3+lg(2根号2*5/根号6)
=lg根号3+lg3/10根号3
=lg10
=1
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