若不等式-1≤x<a有4个整数解,则a的取值范围是[ ] A.1≤a<2 B.1 发布时间:2017-04-25 09:00 │ 来源:www.tikuol.com 题型:选择题 问题: 若不等式-1≤x<a有4个整数解,则a的取值范围是[ ]A. 1≤a<2 B. 1<a<2 C. 2<a≤3 D. 2<a<3
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