题目内容
集合I={-3,-2,-1,0,1,2},A={-1,1,2},B={-2,-1,0},则A∪(CIB)=________.
已知全集合I={0,1,2,3},集合M={0,1,2},N={0,2,3},则M∩(CIN)=
{1}
{2,3}
{0,1,2}
φ
已知全集U=R,集合A={x|log2(3-x)≤2},集合
(I)求A,B;
(II)求.
已知全集I={0,1,2,3,4},集合M={1,2,3},N={0,3,4},则=( )
A. B.{3,4} C.{1,2} D. {0,4}
已知集合M={(a+3)+(b2-1)i,8},集合N={3i,(a2-1)+(b+2)i}同时满足M∩NM,M∩N≠∅,求整数a、b.