设全集为R,集合A={x|-1<x<3},B={x|x<-2},求:(1)CRA,CRB(2)(CRA)∩(CRB)(3)(CRA)∪(CRB)

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设全集为R,集合A={x|-1<x<3},B={x|x<-2},求:(1)CRA,CRB(2)(CRA)∩(CRB)(3)(CRA)∪(CRB)设全集为R,集合A={x|-1<x<3},B={x|x<

设全集为R,集合A={x|-1<x<3},B={x|x<-2},求:(1)CRA,CRB(2)(CRA)∩(CRB)(3)(CRA)∪(CRB)
设全集为R,集合A={x|-1<x<3},B={x|x<-2},求:
(1)CRA,CRB
(2)(CRA)∩(CRB)
(3)(CRA)∪(CRB)

设全集为R,集合A={x|-1<x<3},B={x|x<-2},求:(1)CRA,CRB(2)(CRA)∩(CRB)(3)(CRA)∪(CRB)
1)(-无穷,-1]∪[3,+无穷) [-2,+无穷)
2)[-2,-1]∪[3,+无穷)
3)R