【#第一文档网# 导语】以下是®第一文档网的小编为您整理的《对数运算基础练习题》,欢迎阅读!
-- 对数与对数运算基础练习 一、对数的概念与性质 1、把下列指数式写成对数式: 1111(1)28 (2)2 (3)273 (4)()m5.73332 31 2、把下列对数式写成指数式: (1)log392 (2)log51253 (3)log2112 (4)log34 3、求下列各式中x的值: (1)logx2643 (2)logx86 4、求下列各式的值: 1log5125 (2)log1216 (5)log1515 (6)log0.41 (9)2log24 (10) log279 二、对数的运算 1、基础练习 (1) lg2lg5 (2) 4 (3)lg100x (3)lg1000 (7)log981 (11) 10lg105 log18log233 -- 814)-lne2x (4)lg0.001 (8) log2713 (12)log64161 (3)lg243lg9 (() -- 91681(4)log8log329 (5)log9log32(2(6)log(2 3)3) 2、加强巩固 lg2lg5lg8204(1)1oglog15log15log15(2) 21532lg50lg40 (3)1g142lg73lg7lg18 (5)(log2)2log2log318666log6 (7)(log3log3)(log2log24839) (9)log227log132log944 lg4lg51 (4)2lg0.5lg8 (6)lg22lg2lg5lg5 (8)10log31010log1log25 (10)(log32log98)(log43log82 9log3) -- 本文来源:https://www.dywdw.cn/bbd461a327c52cc58bd63186bceb19e8b9f6ec25.html