> 数学 >
(lg根号27+lg5-lg10根号2)/lg1.5
人气:456 ℃ 时间:2020-02-15 08:50:53
解答
(lg√27+lg5-lg10√2)/lg1.5={(3/2)lg3+(1-lg2)-[1+(1/2)lg2]}/(lg3-lg2)=(3/2)(lg3-lg2)/(lg3-lg2)=3/2
推荐
猜你喜欢
© 2024 79432.Com All Rights Reserved.
电脑版|手机版