(2)设全集u={1 2 x2-2} A={1 x }
设全集U={1,2},集合A={x|x2+px+q=0},CuA={1}
设全集U=R,集合A={x|6-x-x2>0},集合B={x|2x−1x+3>1}
设全集U=R,集合A={x||2x-1|+|x-2|
设全集U=R A=(x|x2)B=(x|-1
设全集U={1,2,x²-2},A={1,x},则CuA=
设全集U=R,集合A={x|2x-1
(2014•杭州二模)设全集U=R,集合A={x|x2-1<0},B={x|x(x-2)≥0},则A∩(∁UB)=(
设全集U={x|x≥-2},A={x||x|≥1|,B={y|y=x2,x∈R}定义A*B={x|x∈A∪B且xW
设全集为U,A={x||2x+1|≤3},B={x|-x^2+2x
1.设全集U={X不好意思打错了~集合A={(x,y)|x2+mx-y+2=0},集合B={(x,y)|x-y+1=0,
设全集U=R,集合A={x|x2-2x-3<0},B={x|0<x≤4},C={x|a<x<a+1}.
设U全集={1,2,3,4},且A={x|x2-7x+m=0,x属于U},若CuA={1,2},求m的值