Cu(A∪B) = -1
設(shè)全集U=R,A={x/1≤≤2},B={x/x≤—1或x≥5},求A∩B,Cu(A∪B),A∪CuB
設(shè)全集U=R,A={x/1≤≤2},B={x/x≤—1或x≥5},求A∩B,Cu(A∪B),A∪CuB
其他人氣:189 ℃時(shí)間:2020-06-08 06:15:40
優(yōu)質(zhì)解答
A∩B=空集
Cu(A∪B) = -1 A∪CuB = -1
Cu(A∪B) = -1
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