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已知全集U=R,集合,,则集合M,N的关系用韦恩(Venn)图可以表示
已知全集U=R,集合,,则集合M,N的关系用韦恩(Venn)图可以表示
已知全集U=R,集合
,
,则集合M,N的关系用韦恩(Venn)图可以表示为 ()
答案
B
解析:
由已知
,
,则
,故选B.
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