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1 . 解下列关于
的不等式:
(1)
;
(2)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f79a58fdb3c3e51b92903ae14b0dd5f4.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e985e5ee4223a2a69373648b1e3b21e.png)
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2021-11-11更新
|
199次组卷
|
2卷引用:北京市爱迪学校2022-2023学年高一上学期期中考试数学试题
2 . 求下列方程组或不等式的解集.
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08cadbc131c5be0add1107022aab111a.png)
(2)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b9b6b426cbb6c5a1a66944cbf28e946.png)
(3)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08cadbc131c5be0add1107022aab111a.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b9b6b426cbb6c5a1a66944cbf28e946.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a5ff4d77806d632fbca1491cd5f8e08.png)
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3 . 已知全集
.集合
和
关系的Vann所示,则阴影部分所表示集合中的元素共有___________ 个.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860ebb6f76cd3cb9a265dfc233002a13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/493843190791ab1c027f672c91ee6cd5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44802a50c07cd84510fa4027a737c783.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/15/32e14eb8-7cb8-47f9-b34e-f94945a2fad3.png?resizew=174)
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2022-10-12更新
|
108次组卷
|
2卷引用:北京市第五十七中学2022-2023学年高一上学期10月阶段测试数学试题
解题方法
4 . 已知![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18dd49adb76cd2dd2723c05f5854d842.png)
(1)求
;
;
(2)若
,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18dd49adb76cd2dd2723c05f5854d842.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e544b1304a6bbc87283cf741f134cebe.png)
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5 . 不等式
的解集为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41105b7e1e748d4e4f373deba60de531.png)
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6 . 已知集合
,
.
(1)当a=1时,求
;
(2)若
,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c266dbafcd8866309fa5f27d6bd9ea62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c061199b869da1de714c6d08994bd9f9.png)
(1)当a=1时,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43d15751aae2df43133a023de9bbc51.png)
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