已知集合A={x|log2x+1>0},B={y|y=根号下3-2x-x^2},则(CRA)∩B等于?A.[0,1/2] B.(0,1/2] C.(-3,2]D.[-3,1/2]

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已知集合A={x|log2x+1>0},B={y|y=根号下3-2x-x^2},则(CRA)∩B等于?A.[0,1/2] B.(0,1/2] C.(-3,2]D.[-3,1/2]
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已知集合A={x|log2x+1>0},B={y|y=根号下3-2x-x^2},则(CRA)∩B等于?A.[0,1/2] B.(0,1/2] C.(-3,2]D.[-3,1/2]
已知集合A={x|log2x+1>0},B={y|y=根号下3-2x-x^2},则(CRA)∩B等于?
A.[0,1/2]
B.(0,1/2]
C.(-3,2]
D.[-3,1/2]

已知集合A={x|log2x+1>0},B={y|y=根号下3-2x-x^2},则(CRA)∩B等于?A.[0,1/2] B.(0,1/2] C.(-3,2]D.[-3,1/2]
集合A中底数,和真数是几,你再说一下