
已知集合U={1,2,3,4,5,6,7},A={2,4,6},B={1,3,5,7},则A∩C U B等于( ) A.{2,4,
已知集合U={1,2,3,4,5,6,7},A={2,4,6},B={1,3,5,7},则A∩CUB等于()A.{2,4,6}B.{1,3,5}C.{2,4,5}D.{3...
已知集合U={1,2,3,4,5,6,7},A={2,4,6},B={1,3,5,7},则A∩C U B等于( ) A.{2,4,6} B.{1,3,5} C.{2,4,5} D.{3,5}
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因为集合U={1,2,3,4,5,6,7},A={2,4,6},B={1,3,5,7}, C U B={2,4,6} 则A∩(C U B)={2,4,6}∩{2,4,6}={2,4,6}. 故选A. |
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