>
数学
>
若log
a
2=m,log
a
3=n,则a
2m+n
等于( )
A. 7
B. 8
C. 9
D. 12
人气:441 ℃ 时间:2020-05-17 18:12:15
解答
∵log
a
2=m,log
a
3=n,
∴a
m
=2,a
n
=3
∴a
2m+n
=(a
m
)
2
•a
n
=4×3=12
故选D
推荐
若loga2=m,loga3=n,则a2m+n等于( ) A.7 B.8 C.9 D.12
若loga2=m,loga3=n,则a2m+n等于( ) A.7 B.8 C.9 D.12
(1)已知loga2=m,loga3=n,求a^2m+n的值
若loga2=m,loga3=n,则a2m+n等于( ) A.7 B.8 C.9 D.12
已知loga2=m(a为底数),loga3=n(a为底数),则,a^(2m+n)=
The gap's being closed easily enables people to enjoy...
英语:so far this year we () a fall in house prices by between 3 and 5 percent
I hate those people who like to take sth out of nothing.
猜你喜欢
求读书笔记有好词佳句阅读感悟内容概要
一袋米80千克,第一天吃去4分之1,第二天吃去5分之2,两天共吃几千克
要使(ax^2-3x)(x^2-2x+1)的展开式中不含x^3项,则a=
红铅笔1支1.9元,蓝铅笔1支1.1元.两种铅笔共买了16支共花了28元.问红/蓝铅笔共买了几支?
铅蓄电池:Pb+PbO2+2H2SO4=2PbSO4+2H2O(1)写出电极反应式
解分段函数基本思路概念 填空
be willing to 后加什么
I was surprised to see my pet cat was still [ ] after the fire.填什么?
© 2024 79432.Com All Rights Reserved.
电脑版
|
手机版