A8910的知识精选

已知全集U=R,*A={<1},B=,则*ACUB=(  )A.{8,9,10}           B....
问题详情:已知全集U=R,*A={<1},B=,则*ACUB=(  )A.{8,9,10}           B.{3,4,5,6,7}          C.{2,7,8,9,10}       D.{2,8,9,10}【回答】 D知识点:*与函数的概念题型:选择题...
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