题目内容
设U={x∈Z|0<x≤10},A={1,2,4,5,9},B={4,6,7,8,10},C={3,5,7},
求
, (CUA)
(CUB),
。
答案:
={1,2,4,5,6,7,8,9,10},
CUA={3,6,7,8,10} CUB={1,2,3,5,9}
(CUA)
(CUB)={1,2,3,5,6,7,8,9,10}, ![]()
={4} ![]()
=![]()
解析:
考察集合的运算和分类讨论思想
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题目内容
设U={x∈Z|0<x≤10},A={1,2,4,5,9},B={4,6,7,8,10},C={3,5,7},
求
, (CUA)
(CUB),
。
答案:
={1,2,4,5,6,7,8,9,10},
CUA={3,6,7,8,10} CUB={1,2,3,5,9}
(CUA)
(CUB)={1,2,3,5,6,7,8,9,10}, ![]()
={4} ![]()
=![]()
考察集合的运算和分类讨论思想