1 . 含有3个实数的集合可表示为
,又可表示为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e999b561583b4e422de4415d6e5b110.png)
_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40918974b3dd39f686bf1d6962490664.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dac5ed38ebb5096affd6682970433ed5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e999b561583b4e422de4415d6e5b110.png)
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2 . 已知集合
,则集合
的子集有______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a588990c5266b7c045c51d0611935281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
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解题方法
3 . 设集合
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83d0fc962fb61c29345eba43ae2f4348.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf752ccb909d210e2a97c11880519c03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
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4 . 命题
,
的否定是______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ccd7af9298cd5ff19d8866fedb42ec4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f3f3778a994a4b415a234fd6f9ffff1.png)
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2023-12-02更新
|
219次组卷
|
3卷引用:天津市滨海新区田家炳中学2023-2024学年高一上学期期中考试数学试题
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5 . 命题
:
,
,则命题
的否定为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae5f688efcef7432a33ee9f6e3394205.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cc41781bc4b6c02a1b472ddee512f3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
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解题方法
6 . 已知命题p:
,
是假命题,则实数
的取值范围为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ccd7af9298cd5ff19d8866fedb42ec4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a8f13ba67f425991c000ac1ad1a945c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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7 . 已知集合
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fccf26209148019ae33a85663008ed81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5631f7958e5738da86da991fbb98fdf7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
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解题方法
8 . 已知集合
,
,若
,则实数a的取值范围是______ ;若
,则实数a的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15095b7c6888d4370e62aee8f6a62be5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cce81f1fd5260235d89dc67b93234ef9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/928cd155cf20033821c58ab602111bd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b05d2be27e8f53e4de3071846dffb41.png)
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9 . 命题“
”的否定是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dabd416ae9b5b32f0a23345d12eabf8d.png)
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10 . 集合
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12ab041ac5e9be0b9518df4f49e1386f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
您最近一年使用:0次