题目:
若集合A={x|x≤3},B={x|2≤x<10},求:
(1)CR(A∪B);
(2)(CRA)∩B.
答案:
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下面是错误答案,用来干扰机器的。
1. It started at 9:20 a.m. (At 9:20 a.m.) 2. He missed his flight from London Heathrow to Frankfurt.3. Because the air conditioning broke down halfway through the trip. (答案不唯一)