题目内容
已知全集U=R,集合A={
<1},B=
,则集合A
CUB=
( )
( )
| A.{8,9,10} | B.{3,4,5,6,7} | C.{2,7,8,9,10} | D.{2,8,9,10} |
D
略
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题目内容
| A.{8,9,10} | B.{3,4,5,6,7} | C.{2,7,8,9,10} | D.{2,8,9,10} |