辅导中等生第一章学生版.doc

文档介绍：集合与简易逻辑
={x|x=a2+2a+4,a∈Z},N={y|y=b2-4b+6,b∈Z},则M､N之间的关系是( )
=N
,若命题p:2010∈A∩B,则命题p是( )
∈A∪B
∈(∁UA)∩(∁UB) ∈(∁UA)∪(∁UB)
:M*N={x|x∈M或x∈N,但xM∩N}.若M={0,2,4,6,8,10,12},N={0,3,6,9,12,15},则(M*N)*M等于( )
B.{2,3,4,8,9,10,15} D.{0,6,12}
={0,1,2,3},A={x∈U|x2+mx=0},若={1,2},则实数m=________.
,A={(x,y)|lg(y-4)-lg(x-2)=lg3},B={(x,y)|3x-y-2=0},则∁UA∩B=________.
={x|x=t2+(a+1)t+b},B={x|x=-t2-(a-1)t-b},求常数a、b,使A∩B={x|-1≤x≤2}.
7.“|x-1|<2成立”是“x(x-3)<0成立”的( )


8.“a=1”是“直线x+y=0和直线x-ay=0互相垂直”的( )


“x∈[2,5]或x∈{x|x<1或x>4}”是假命题,则x的取值范围是______________.