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设a,b,c均为正数,且2a=,,,则( ) A.a<b<c B.c<b<a C...
设a,b,c均为正数,且2
a=
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101230745570114078/SYS201311012307455701140011_ST/0.png)
,
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101230745570114078/SYS201311012307455701140011_ST/1.png)
,
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101230745570114078/SYS201311012307455701140011_ST/2.png)
,则( )
A.a<b<c
B.c<b<a
C.c<a<b
D.b<a<c
考点分析:
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