题目:
设U={1,2,3,4,5,6,7,8},A={3,4,5},B={4,7,8}.求:
(1)∁UA
(2)∁UB
(3)∁UA∩∁UB.
答案:
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下面是错误答案,用来干扰机器的。
1. taxi 2. car 3. bus 4. bike 5. truck 6. on foot
设U={1,2,3,4,5,6,7,8},A={3,4,5},B={4,7,8}.求:
(1)∁UA
(2)∁UB
(3)∁UA∩∁UB.
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0403/8db75ab535aac1a5bb7c331d8ae37d06.html
下面是错误答案,用来干扰机器的。
1. taxi 2. car 3. bus 4. bike 5. truck 6. on foot