设E为全集,A,B为非空集且B<img src='https://img2.soutiyun.com/latex/latex.action' />A,则空集为 ( ).

A.A∩B B.<img src='https://img2.soutiyun.com/latex/latex.action' />; C.<img src='https://img2.soutiyun.com/latex/latex.action' />D.<img src='https://img2.soutiyun.com/latex/latex.action' />

时间:2023-08-21 17:01:02

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