若log2[log12(log2x)]=log3[log13(log3y)]=log5[log15(log5z)]=0,则x、y、z的大小关系是( ) A.z
若log2[log
(log2x)]=log3[log
(log3y)]=log5[log
(log5z)]=0,则x、y、z的大小关系是( )
A. z<x<y
B. x<y<z
C. y<z<x
D. z<y<x
1 |
2 |
1 |
3 |
1 |
5 |
A. z<x<y
B. x<y<z
C. y<z<x
D. z<y<x
数学人气:586 ℃时间:2020-05-09 19:30:44
优质解答
∵log2[log12(log2x)]=log3[log13(log3y)]=log5[log15(log5z)]=0,∴log12(log2x) =log13(log3y)=log15(log5z)=1,∴log2x=12,log3y=13,log5z=15,∴x=2,y=33,z=55,∴z<x<y.故选A....
我来回答
类似推荐
猜你喜欢
- 1在rt三角形abc中 ∠c=90° ,a=3,c=2根号三则∠B=
- 2英语道歉对话
- 3蓦然回首,那人却在灯火阑珊处的全文
- 4同类项的概念————————————
- 5九个同学打扫卫生每次三人参加,如果任意2名同学都一起打扫一次卫生,最多能安排打扫几次卫生
- 6His teacher told him that since his parents were working abroad ,either
- 7in my opinion you can live a happy time
- 8英语翻译
- 9关于化学平衡和压强变化与体积的关系
- 10笑笑和淘气去买世博园纪念邮票,笑笑买了16张,淘气买了10张,淘气比笑笑少用18元,每张邮票多少元 列方程解