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偶函数f(x)的定义域为R,它在(0,+∞)是减函数,则下列不等式中成立的是( ...
偶函数f(x)的定义域为R,它在(0,+∞)是减函数,则下列不等式中成立的是( )
A.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101225226417049932/SYS201311012252264170499007_ST/0.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101225226417049932/SYS201311012252264170499007_ST/1.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101225226417049932/SYS201311012252264170499007_ST/2.png)
D.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101225226417049932/SYS201311012252264170499007_ST/3.png)
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