题目内容
19.已知集合A为{0,4,5,6},集合B为{3,6,7,5,9},集合C为{0,5,9,4,7},则∁uA∩(B∪C)为( )A. | {3,7,9} | B. | {0,3,7,9,4,5} | C. | {5} | D. | ∅ |
分析 求出集合B、C的并集,然后求解交集即可.
解答 解:集合A为{0,4,5,6},集合B为{3,6,7,5,9},集合C为{0,5,9,4,7},
B∪C={0,3,4,5,6,7,9}
则∁uA∩(B∪C)={3,7,9}.
故选:A.
点评 本题考查集合的交、并、补的运算,考查计算能力.
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