名校
解题方法
1 . 已知
表示不超过
的最大整数,例如:
,方程
的解集为
,集合
,且
,则
的取值范围是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c4f5908d6a1217e493ed7586b6964dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b15da5e9c678215ca3fee3ac23ca1241.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db89fe2125009846e87d1c81aabe1c3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3fd0150532f2e25112abdd3cc1911eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/343324ebf9d6e86c42fbde0fbb94689d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2 . 已知集合
,集合
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/934d37c81b2266c7b86bcc11afaf5f91.png)
______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19aa4eb8b125da5c7cf81789efc88cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81a549020a56a094c8434b85cf909960.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fd10f9f81e194a4c99fef13cb12c4b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/934d37c81b2266c7b86bcc11afaf5f91.png)
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名校
解题方法
3 . 已知集合
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95e60375f97ff7854f4d3a8b1108d2e3.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffddcf41bae03a6e1ea3bd07f53d1f91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c57f7aa48188d5ab9f14bf327bb3deb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95e60375f97ff7854f4d3a8b1108d2e3.png)
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名校
4 . 若集合
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95e60375f97ff7854f4d3a8b1108d2e3.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8bd646ea5f4b443c975e201d327056b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73284cb7a2997fcb95cca9c4f6a304c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95e60375f97ff7854f4d3a8b1108d2e3.png)
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名校
解题方法
5 . 设集合
,若集合
中所有元素之和为
,则实数
的值可以为__________ .(写出两个符合条件的值,只写一个或有错误的均不得分)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cc1c40a5c08a57aad785eb7f05cbcc4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b06e95b57b7a81cd81d05557a11fa92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2023-09-25更新
|
127次组卷
|
2卷引用:江苏省南京市第二十九中学2023-2024学年高一上学期10月月考数学试题
名校
6 . 若下列两个方程:
,
至少有一个方程有实根,则实数a的取值范围为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b265fae9fe9a59830c91ba9a0ec762c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bab67a391ba2678e91073f442b26425.png)
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2023-09-25更新
|
349次组卷
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3卷引用:江苏省南京市中华中学2023-2024学年高一上学期学情调研(一)数学试题
江苏省南京市中华中学2023-2024学年高一上学期学情调研(一)数学试题(已下线)专题03 不等式-期中考点大串讲(苏教版2019必修第一册)广东省深圳市华中师范大学龙岗附属中学2023-2024学年高一上学期10月月考数学试题
名校
7 . 已知集合
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95e60375f97ff7854f4d3a8b1108d2e3.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/963102840fb06fbdec81f4523c3c58b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f808f81b6ea9da53d51c549be04f4267.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95e60375f97ff7854f4d3a8b1108d2e3.png)
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2023-09-13更新
|
601次组卷
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5卷引用:江苏省徐州市沛县沛城高级中学2023-2024学年高一上学期第一次学情调研数学试题
名校
8 . 已知集合
,则集合
的个数为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f14c96424f542ea367bf127c7b1c747c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
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2023-09-05更新
|
657次组卷
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3卷引用:江苏省南通市启东市某校2023-2024学年高一上学期暑期检测数学试题
9 . 若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
______ , ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95e60375f97ff7854f4d3a8b1108d2e3.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2ad78dc8b8aed907b4fe9640c997454.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95e60375f97ff7854f4d3a8b1108d2e3.png)
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