1 . 已知集合
或
,
,其中
.
(ⅰ)当
时,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95e60375f97ff7854f4d3a8b1108d2e3.png)
______ ;
(ⅱ)若
,则实数
的取值范围为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b6036b5f9fcc6f245ee1f0ff218839f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afa3022e7435b36f3b4b088d0820a700.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88592a427b6845d3d4c821218b3e2171.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22dd8b3dc4c609bab82d356a5cc2208d.png)
(ⅰ)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65397f11ea8af736f38debadf420c4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95e60375f97ff7854f4d3a8b1108d2e3.png)
(ⅱ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b05d2be27e8f53e4de3071846dffb41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2 . 命题“
,
”的否定是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8645952ea14b25443f411d39bdec641e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/072c300a8d75385dbe53caeb2514fa00.png)
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名校
解题方法
3 . 已知集合
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1336d38741aab2255a35c26612bbd7cc.png)
___________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83a6f06ea06ee1d15560980bab42680a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31498e0da76e11c47b16f1277921c52c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1336d38741aab2255a35c26612bbd7cc.png)
您最近一年使用:0次
2024-01-24更新
|
1478次组卷
|
6卷引用:天津市部分区2023-2024学年高一上学期期末练习数学试题
名校
4 . 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
5 . 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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解题方法
6 . 若
,用列举法表示集合![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ffa9bef5f3349a180ad2cfde9fadeb5.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa65ed5f84a555f0bb03e006d8212b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ffa9bef5f3349a180ad2cfde9fadeb5.png)
您最近一年使用:0次
名校
解题方法
7 . 已知集合
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c83c4aa9df4c524b54d55e0989bcfa31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/568585386ab99f1a8eba67802b8aeea8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
您最近一年使用:0次
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8 . 命题
,
的否定是______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ccd7af9298cd5ff19d8866fedb42ec4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f3f3778a994a4b415a234fd6f9ffff1.png)
您最近一年使用:0次
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
9 . “
成立”是“
成立”的_____________ 条件(填“充分不必要”“必要不充分”“充要”或“既不充分也不必要”).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fa0d236b0027c26b3c5ae660fd684b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/712f8412cc28f023e442227abfc9ca66.png)
您最近一年使用:0次
2023-11-26更新
|
306次组卷
|
2卷引用:天津市第八中学2023-2024学年高一上学期第一次大单元教学(9月月考)数学试题
名校
10 . 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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