摘要:4.已知全集U=R.集合等于
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已知全集U=R,集合A={x|
≤0},则集合CUA等于( )
| x+1 |
| x-2 |
| A、{x|x<-1或x>2} |
| B、{x|x≤-1或x>2} |
| C、{x|x<-1或x≥2} |
| D、{x|x≤-1或x≥2} |
网址:http://m.1010jiajiao.com/timu_id_3946268[举报]
| x+1 |
| x-2 |
| A、{x|x<-1或x>2} |
| B、{x|x≤-1或x>2} |
| C、{x|x<-1或x≥2} |
| D、{x|x≤-1或x≥2} |