设全集U=R,集合A={x|-2
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设全集U=R,集合A={x|-2
设全集U=R,集合A={x|-2
设全集U=R,集合A={x|-2
A={x|-2
AnB={x|-2
A∩B -2
求采纳,谢谢~
AnB=-2
A = (-2, 3), B = (-3, 3]
A交B = (-2, 3)
A并B = (-3, 3],A并B的补集 = (-无穷,-3]并(3, +无穷)
设全集U=R,集合A={x|-2
设全集U=R,集合A={x|-2
设全集U=R,集合A={x|-2
A={x|-2
AnB={x|-2
A∩B -2
求采纳,谢谢~
AnB=-2
A = (-2, 3), B = (-3, 3]
A交B = (-2, 3)
A并B = (-3, 3],A并B的补集 = (-无穷,-3]并(3, +无穷)