已知
,
或
.设
,若
,求实数a的取值范围_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e80506a4c1736a8a4c38529a9ca067f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f3a020df3fda19d59d1869deba74bc2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18b00cafaea87cf835a3767edad0b861.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc0dc8098ad6f31bdd87771ca9cfa33a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0114f4d5ac5b631465e7490cf4912cc1.png)
20-21高三上·江西南昌·阶段练习 查看更多[1]
(已下线)【南昌新东方】江西省南昌大学附中2020-2021学年高三上学期10月第一次月考数学(理)试题
更新时间:2020-11-01 13:52:07
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