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一、单选题1.已知集合𝑈={1,2,3,4,5},𝐴={1,3},𝐵={2,3,5},则∁𝑈(𝐴∪𝐵)=()A.{1,2,3,4}B.{2,3,4}C.{2,4}D.{4}2.设𝑥∈𝑅,则“... 2025-08-171342368.95 KB2页142
一、单选题1.已知集合𝑈={1,2,3,4,5},𝐴={1,3},𝐵={2,3,5},则∁𝑈(𝐴∪𝐵)=()A.{1,2,3,4}B.{2,3,4}C.{2,4}D.{4}【答案】D【解析】... 2025-08-176581.06 MB11页75
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