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已知全集U=Z,A={-1,0,1,2},B={x|x2=x},则A(CUB)
=_____________
已知全集U=Z,A={-1,0,1,2},B={x|x2=x},则A(CUB)=_____________.
已知全集U=Z,A={-1,0,1,2},B={x|x2=x},则A(CUB)=_____________