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课时作业(四)全集与补集及综合应用[练基础]1．设全集U＝{1,2,3,4,5,6,7,8}，集合S＝{1,3,5}，T＝{3,6,7}，则(∁US)∩T＝()A．{2,4,7,8}B．{... 2025-01-24616.5 KB2页2
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