题目内容
设U={1,2,3,4,5},A,B为U的子集,若A∩B={2},(CUA)∩B={4},(CUA)∩(CUB)={1,5},则下列结论正确的是
3A,3B
3A,3∈B
3∈A,3B
3∈A,3∈B
设U={1,2,3,4,5},A={1,2,4},B={2,3,4},则B∩UA=
{3}
{3,4}
{1,3,4,5}
设U={1,2,3,4,5,6,7,8},A={3,4,5},B={4,7,8},求UA、UB、(UA)∩(UB)、(UA)∪(UB).
设U={1,2,3,4,5,6,7,8,9},(A)∩B={3,7},(B)∩A={2,8},(A)∩(B)={1,5,6},则集合A=________,B=________.
设U={1,2,3,4,5},A={1,2,3},B={2,4},则A∪(CUB)=________