设全集U=R,M={x|x>1},N={x|-1≤x≤3},则(补集M)∪(补集N)=
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设全集U=R,M={x|x>1},N={x|-1≤x≤3},则(补集M)∪(补集N)=设全集U=R,M={x|x>1},N={x|-1≤x≤3},则(补集M)∪(补集N)=设全集U=R,M={x|x>
设全集U=R,M={x|x>1},N={x|-1≤x≤3},则(补集M)∪(补集N)=
设全集U=R,M={x|x>1},N={x|-1≤x≤3},则(补集M)∪(补集N)=
设全集U=R,M={x|x>1},N={x|-1≤x≤3},则(补集M)∪(补集N)=
补集M={x|x<=1}
补集N={x|x<-1或x>3}
(补集M)∪(补集N)={x|x<=1或x>3}
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设全集U=R,M={x|-3
设全集U=R,M={x|3a
设全集U是实数集R,M={x|x^2>4},N={x|1
设全集U=R,A={x|1/x
设全集U=R,集合M={x|f(x)=0},N={x|g(x)=0}
设全集U是实数集R,M={x|x2},N={x|x^2-4x+3
设全集U=R,M={x|x>1},N={x|-1≤x≤3},则(补集M)∪(补集N)=
设全集U=R,集合A={X|-1
设全集U=R,集合A={x|-1
设全集U=R,集合A={x/1
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设全集U=R,集合A={x|-1
设全集U=R,集合A=(X|-1
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