设全集为R,集合A=(-∞,2],集合B=[2,+∞),求(1)CA,CB (2)CA∪CB (3设全集为R,集合A=(-∞,2],集合B=[2,+∞),求(1)CA,CB(2)CA∪CB(3)CA∩CB

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设全集为R,集合A=(-∞,2],集合B=[2,+∞),求(1)CA,CB (2)CA∪CB (3设全集为R,集合A=(-∞,2],集合B=[2,+∞),求(1)CA,CB(2)CA∪CB(3)CA∩CB
设全集为R,集合A=(-∞,2],集合B=[2,+∞),求(1)CA,CB (2)CA∪CB (3
设全集为R,集合A=(-∞,2],集合B=[2,+∞),求(1)CA,CB
(2)CA∪CB
(3)CA∩CB

设全集为R,集合A=(-∞,2],集合B=[2,+∞),求(1)CA,CB (2)CA∪CB (3设全集为R,集合A=(-∞,2],集合B=[2,+∞),求(1)CA,CB(2)CA∪CB(3)CA∩CB
U=R
A=(-∞,2]
B=[2,+∞)
CuA=(2,+∞)
CuB=(-∞,2)
(CuA)∪(CuB)=(-∞,2)∪(2,+∞)={x|x≠2}
(CuA)∩(CuB)=空集

(1)CRA=(2,∞) CRB=(-∞,2)
(2)CRA∪CRB
=(-∞,2)∪(2,∞)
(3)CA∩CB=空集

1.【2,+∞】