不等式
的解集为
,关于
的不等式
的解集为
.
(1)求集合
,集合
;
(2)若集合
中有2021个元素,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/807f52a55131a0a167aa0db1ea7483d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c48af453fab6d4de9c84aa449243df5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(1)求集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5a0ef3650c2d9fc22d093e26998dc72.png)
21-22高一上·上海浦东新·阶段练习 查看更多[4]
上海市洋泾中学2021-2022学年高一上学期10月月考数学试题江苏省连云港市灌南高级中学2022-2023学年高一上学期期中模拟数学试题四川省宜宾市叙州区第二中学校2022-2023学年高一上学期期中考试数学试题(已下线)第二章 等式与不等式(压轴必刷30题7种题型专项训练)-【满分全攻略】(沪教版2020必修第一册)
更新时间:2022-09-06 16:04:19
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适中
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名校
【推荐1】已知集合
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(1)当
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(1)当
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(2)求能使
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适中
(0.65)
【推荐3】关于
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(1)当
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47ffb694021b52653de5141ae27ba6d0.png)
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(1)当
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(2)若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/711064eb4c6a662f60f35e2a56c6136c.png)
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(3)若集合
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【推荐1】已知函数
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适中
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【推荐2】已知
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适中
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【推荐3】(1)解不等式:
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