• 2022-06-10
    设W为样本空间,A,B,C是W中的事件,W={1,2,…,10}, A={1,3,5,7,9}, B={2,4,6,8,10},C={6,7,8,9,10},则AÈB-AC-BC=( ).‎‍‎
    A: {1,3,5,7,9}
    B: {2,4,6,8,10}
    C: {1,2,3,4,5}
    D: {6,7,8,9,10}
  • 举一反三