1 . 用列举法表示集合
的结果为_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acfc80ff90056e59a22dd6ac89a0cf2b.png)
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2 . 若
是一个集合,
是一个以
的某些子集为元素的集合,且满足:①
属于
,空集
属于
;②
中任意多个元素的并集属于
;③
中任意多个元素的交集属于
,则称
是集合
上的一个拓扑.已知函数
,其中[x]表示不大于
的最大整数,当
时,函数
值域为集合
,则集合
上的含有4个元素的拓扑
的个数为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a837165ca03f9e4ea8964979c95e3bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89d1c17a43495542eaade6426cf4c94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/668efc94065bc0b990673bf77c40eeeb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3cfeacc29e6a61c5b3b4e439c0a91df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3b9e816b14051f785aa5aae72b8eed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
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2024-04-29更新
|
187次组卷
|
2卷引用:浙江省温州新力量联盟2023-2024学年高二下学期4月期中考试数学试题
名校
3 . 已知函数
,记集合
,
,若
,则实数
的取值范围是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff89e1b2a00ef707ce48feba1ab419e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76d5c23f0d6d358e48dc9bed91b07f63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fcd34b4fe3fad45fb9f00030ba18a26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79d02e5de0c92487382f4b98376e9740.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2024-01-29更新
|
256次组卷
|
3卷引用:浙江省杭州第二中学2023-2024学年高一上学期期中考试数学试题
解题方法
4 . 设集合
,
,且
,则
值是_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d62f4ba8fbfc647af35d37b4634f4860.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64aac8a54ce94d22e384b0487e52afc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe93be2a3380a53c2e683cc6e9b920aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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名校
5 . 已知集合
,若
,则实数a的值为______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99acc456569842eba8ddea806a3fa990.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e79b08dac412cde3886ba079ad62a45.png)
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6 . 集合
的子集个数是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d92451c1c7bc60b48726ae0716cc5359.png)
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解题方法
7 . 已知
,则“
”是“函数
为偶函数”的______ 条件.(填“充要”,“充分不必要”,“必要不充分”或“既不充分也不必要”)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02815414141df69aba2d6f0bd6b1caec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/143b917df0520097be222accbddf9394.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bab93efd42a3054040ccff8adf697c7a.png)
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8 . 命题“
,
”的否定是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fad1dd76d5b72f10f5bb62693a2996f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe9421ba59eb1b203303048c7a7a1b82.png)
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名校
解题方法
9 . 已知集合
,
,且
,则所有满足条件的实数
组成的集合是____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20380b0bd02fec0e125d73d3fc6f202b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb7df84a5599327f7cb71d7c8a477b0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b05d2be27e8f53e4de3071846dffb41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2023-10-14更新
|
106次组卷
|
2卷引用:浙江省浙附玉泉、丁兰2023-2024学年高一上学期期中数学试题
名校
解题方法
10 . 已知集合
,若
,则实数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7834ff165c8ec0486570dd91b1bc5c18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d00c07c7865e822c502ffb72ae0406d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
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2023-10-11更新
|
245次组卷
|
2卷引用:浙江省杭州之江高级中学2023-2024学年高一上学期期中数学试题