lg5*lg(4*100)+2lg2*lg2 =lg5*(lg4*+lg100)+2lg2*lg2 =lg5*(2lg2+2)+2lg2*lg2 =2lg5+2lg5*lg2+2lg2*lg2 =2lg5+2lg2(lg5+lg2) =2lg5+2lg2*lg10 =2lg5+2lg2 =2
百度试题 结果1 题目求值: lg5⋅lg400+(lg2^(√2))^2 ; 相关知识点: 试题来源: 解析 (1)原式 =lg5⋅(2+2lg2)+(√2lg2)^2=2lg5+2lg2⋅lg2 + 2(lg2)^2=2lg5+2lg2lg2 . (1g^5+lg2)=2lg5+2lg2=2 反馈 收藏
(3) lg5⋅lg400+(lg2^(√2))^2 ; 相关知识点: 试题来源: 解析 =lg5⋅(2+2lg2)+(√2lg2)^2 (3)原式 =1g5 · (2+2lg2 )+( =2lg 5+2lg 2.Ig 5+2(lg 2) =21g 5+2lg2.(Ig 5+lg2) =2lg5+2lg2lg2 = =2. 反馈 收藏 ...
400卖个美版lg5..真的后悔买这洋垃圾 尿崩的一批 机子保存的很好 只走闲鱼
Women are called the weaker sex,or,if men want to please them,the fair sex.But boys and girls are taught together at schools and universities.There are women who are famous Prime Ministers,scientists and writers.And women live longer than men.A European woman can expect...
18.(1)求值:lg5•lg400+(lg2√22)2;(2)已知x=log23,求8x+8−x2x+2−x8x+8−x2x+2−x的值.查看答案和解析>> 科目: 来源: 题型:解答题 17.已知函数f(x)=lnxxlnxx,g(x)=ex+m,其中e=2.718….(1)求f(x)在x=1处的切线方程;(2)当m≥-2时,证明:f(x)<g(x). 查看答案和...
题目求值:lg5⋅lg400+(lg2^(√2))^2 ; 相关知识点: 试题来源: 解析 原式=lg5⋅(2+2lg2)+(√2lg2)^2 =2lg5+2lg2 ⋅lg5+2(lg2)^2 =2l g5+2lg2⋅(lg5 g5+2lg2⋅(lg5 ⋅(lg5+lg2) =2lg5+2lg2=2_0 反馈 收藏 ...
6.求值:(1) lg5⋅lg400+(lg2^(√2))^2(2) (log_33^(1/2))^2+log_(0.25)1/4+9log_5√5-log_(√3)1
部件名: QLG5-400KV2.5A. 下载. 文件大小: 186Kbytes. 页: 2 Pages. 功能描述: High voltage bridge rectifier. 制造商: Anshan Suly Electronics.
请输入完整或部分制造商部件编号,最少3个字母或数字 部件搜索按参数搜索芯片详细信息 UPD444004LG5-A12-7JD与KM64BV4002J-12参数比较 全部数据只显示差异 UPD444004LG5-A12-7JD 找不到芯片 搜索UPD444004LG5-A12-7JD KM64BV4002J-12 找不到芯片 搜索KM64BV4002J-12...