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已知全集U={1,2,3,4,5,6,7,8,9,10,11,13},集合A={2,4,6,8},B={3,4,5,6,8,9,11},求:(1)A∪B(2)CUA(

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解决时间 2021-12-18 23:57
  • 提问者网友:杀手的诗
  • 2021-12-18 01:04
已知全集U={1,2,3,4,5,6,7,8,9,10,11,13},集合A={2,4,6,8},B={3,4,5,6,8,9,11},求:(1)A∪B(2)CUA(3)CU(A∩B)
(4)A∪(CUB)
最佳答案
  • 五星知识达人网友:鸽屿
  • 2021-12-18 02:40
(1)A∪B ={2,3,4,5,6,8,9,11}(2)CUA={1,3,5,7,9,10,11,13} (3)A∩B ={4,6,8} ,CU(A∩B)={1,2,3,5,7,9,10,11,13}(4)CUB ={1,2,7,10,13},A∪(CUB)={1,2,4,6,7,8,10,13}解析本小题根据交集、并集、补集的定义求解即可.
(1)A∪B ={2,3,4,5,6,8,9,11(2)CUA={1,3,5,7,9,10,11,13} (3)A∩B ={4,6,8} ,CU(A∩B)={1,2,3,5,7,9,10,11,13}(4)CUB ={1,2,7,10,13},A∪(CUB)={1,2,4,6,7,8,10,13}
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  • 1楼网友:野味小生
  • 2021-12-18 02:47
正好我需要
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