题目内容
设全集I={0,1,2,3,4},集合A={0,2,4},B={0,1,3},则
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设全集I={0,1,2,3,4,5,6,7},集合M={0,6,7},N={0,1,2,6},则M∪为
A.{0,1,2,6,7}
B.{0,3,4,5,6,7}
C.{1,2,3,4,5,7}
D.{0,1,2,3,4,5,6}
设全集I={0,1,2,3,4},集合A={1,2,3},集合B={1,4},则(CIA)∪B=
A.{0}
B.{0,4}
C.{0,1,4}
D.{0,1,2,3,4}
设全集I=,A={1,2},B={-2,-1,2},则A(CIB)等于
A、 {1} B、{1,2} C、 {2} D、{0,1,2}