2014·新疆克拉玛依·一模
解题方法
1 . 已知全集U=R,集合
,
,则
=( )
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A.![]() | B.{x|x<1或x≥2} |
C.{x|1≤x<2} | D.{x|1<x≤2或x≤0} |
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