已知集合U={1,2,3,4,5,6},A={1,4,5},B={2,3,4},则A∪(?UB)=( )A.{4}B.{1,5}C.{1
已知集合U={1,2,3,4,5,6},A={1,4,5},B={2,3,4},则A∪(?UB)=()A.{4}B.{1,5}C.{1,5,6}D.{1,4,5,6}...
已知集合U={1,2,3,4,5,6},A={1,4,5},B={2,3,4},则A∪(?UB)=( )A.{4}B.{1,5}C.{1,5,6}D.{1,4,5,6}
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