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(-4,0)∪(0,4) (-4,-1)∪(1,4) (-2,-1)∪(1,2) (-4,-2)∪(2,4)
={x|-1≤x≤2},B={x|0≤x≤4},则A = A.[0,2] B.[1,2] [0,4] [1,4]
={x|﹣1≤x≤2}, ={x|x2﹣4x>0,x∈R},则A.∩(∁R.B.)=( ) A.[1,2]B.[0,2] [1,4] [0,4]
(1,4) (4,+∞) (,1)∪(4,+∞) (0,1)∪(1,4)
1-2Φ(0.5) 2Φ(0.5)-1 Φ(0.5)-1 1-Φ(0.5)
={x||x-1|<2}, ={y|y=2x,x∈[0,2]},则A.∩B.= A.[1,3)B.(1,3) [0,2] (1,4)
={x||x-1|<2}, ={y|y=2x,x∈[0,2]},则A.∩B.= ( ) A.[0,2]B.(1,3) [1,3) (1,4)
={x||x-1|<2}, ={y|y=2x,x∈[0,2]},则A.∩B.=( ) A.[0,2]B.(1,3) [1,3) (1,4)
(-4,0)∪(0,4) (-4,-1)∪(1,4) (-2,-1)∪(1,2) (-4,-2)∪(2,4)
={x|x2-2x-3<0}, ={y|y=2x,x∈[0,2]},则A.∩B=( ) A.[0,2]B.(1,3) [1,3) (1,4)
={x||x-1|≤2}, ={x|x2-4x>0,x∈R},则A.∩(CRB.)= ( ) A. [-1,3] B. [0,3] [-1,4] [0,4]
=[﹣1,2], ={y|y=x2,x∈A.},则A.∩B.=( ) A.[1,4]B.[1,2] [﹣1,0] [0,2]
={x||x-1|<2}, ={y|y=2x,x∈[0,2]},则A.∩B.=( ) A.[0,2]B.(1,3) [1,3) (1,4)
∩ =A.[0,2] B.[1,2] [0,4] [1,4]