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已知函数f(x)=x|x-2|,若存在互不相等的实数a,b,c,使f(a)=f(...
已知函数f(x)=x|x-2|,若存在互不相等的实数a,b,c,使f(a)=f(b)=f(c) 成立,则a+b+c的取值范围是( )
A.
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B.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131025124148874582990/SYS201310251241488745829011_ST/1.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131025124148874582990/SYS201310251241488745829011_ST/2.png)
D.
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