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实数a、b在数轴上的位置如图所示,下列各式成立的是( ) A. B.a-b>0 ...
实数a、b在数轴上的位置如图所示,下列各式成立的是( )
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101193429806415923/SYS201311011934298064159005_ST/images0.png)
A.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101193429806415923/SYS201311011934298064159005_ST/0.png)
B.a-b>0
C.ab>0
D.a÷b>0
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