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(﹣2,1) (﹣1,0) (1,2) (﹣∞,2)
[-3,-1] [-2,0] [-5,-1] [-2,1]
(﹣2,﹣1) (﹣1,0) (0,1) (1,2)
{-2,-1,0,1} {-3,-2,-1,0} {-2,-1,0} {-3,-2,-1}
={x|-3<x<1}, ={x|log2|x|<1}则A.∩B.等( ) A.(-3,0)∪(0,1)B.(-1,0)∪(0,1) (-2,1) (-2,0)∪(0,1)
(-1,0) (1,0) (-2,1) (2,-1)
{-2,-1,0,1} {-3,-2,-1,0} {-2,-1,0} {-3,-2,-1}
[-2,1] [-1,0] [0,1] [1,2]
(﹣2,1) (﹣1,0) (0,1) (﹣2,﹣1)
{(1,0)} {(2,1)} {(﹣1,﹣2)} {(﹣2,﹣3)}
[-2,-1] [-2,1] [-1,2] [1,2]
={x|x2+x>2}, ={x|2x<1},则(∁R.A.)∩B等于( ) A.[0,1]B.(﹣2,1) [﹣2,0) [﹣1,0]
(﹣2,1) (﹣1,0) (0,1) (﹣2,﹣1)
[0,1) [﹣1,2] [﹣2,1) (﹣1,0]