題目列表(包括答案和解析)
設(shè)全集I={0,1,2,3,4,5,6,7},集合M={0,6,7},N={0,1,2,6},則M∪為
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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}
設(shè)全集I={0,1,2,3,4,5,6,7},集合M={0,6,7},N={0,1,2,6},則M∪為
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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}
設(shè)全集I={0,1,2,3,4},集合A={1,2,3},集合B={1,4},則(CIA)∪B=
A.{0}
B.{0,4}
C.{0,1,4}
D.{0,1,2,3,4}
設(shè)全集I={1,2,3,4,5},集合A={1,a2-1,4},={2,a+3},則實(shí)數(shù)a的值為
A.-2
B.0
C.2
D.或
設(shè)全集I={0,1,2,3,4},集合A={0,2,4},B={0,1,3},則
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