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若实数x、y满足则的取值范围是( ) A.(0,2) B.(0,2) C.(2,...
若实数x、y满足
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131023212121702378025/SYS201310232121217023780009_ST/0.png)
则
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131023212121702378025/SYS201310232121217023780009_ST/1.png)
的取值范围是( )
A.(0,2)
B.(0,2)
C.(2,+∞)
D.[
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131023212121702378025/SYS201310232121217023780009_ST/2.png)
,+∞)
考点分析:
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