若集合A={x|x2﹣2x﹣8<0},B={x|x﹣m<0}.
(1)若m=3,全集U=A∪B,试求A∩(∁UB);
(2)若A∩B=∅,求实数m的取值范围;
(3)若A∩B=A,求实数m的取值范围.
(1)若m=3,全集U=A∪B,试求A∩(∁UB);
(2)若A∩B=∅,求实数m的取值范围;
(3)若A∩B=A,求实数m的取值范围.
10-11高三·安徽合肥·阶段练习 查看更多[2]
更新时间:2016-12-01 00:51:52
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