已知集合U={1,2,3,4,5,6,7},A={2,4,5},B={1,3,5,7}.求:(1)A∩B;(2)(CUA)∩B;(3)CU(A∪B).
题型:解答题难度:一般来源:不详
已知集合U={1,2,3,4,5,6,7},A={2,4,5},B={1,3,5,7}. 求: (1)A∩B; (2)(CUA)∩B; (3)CU(A∪B). |
答案
集合U={1,2,3,4,5,6,7},A={2,4,5},B={1,3,5,7}, (1)A∩B={5}; (2)CUA={1,3,6,7}, 则(CUA)∩B={1,3,7}; (3)A∪B={1,2,3,4,5,7} 则CU(A∪B)={6}. |
举一反三
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