名校
1 . 设集合
,
,
.
(1)若
,求
和
;
(2)若“
”是“
”的充分不必要条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860ebb6f76cd3cb9a265dfc233002a13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f5997277afdff2f66591006165929ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be8ba277a3fd236e9a40f91580667d54.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c7a1d739890a8951586e23b78b035bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fd1315ef75fa8897d12759b3aef5c45.png)
(2)若“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2023-03-13更新
|
233次组卷
|
2卷引用:浙江省衢州第三中学2022-2023学年高一下学期第一次月考数学试题
名校
2 . 已知命题
关于
的方程
有实根,若
为真命题的充分不必要条件为
,则
的取值范围是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/863479c20d1f57c86f9f4dc37264dc1e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47ffb694021b52653de5141ae27ba6d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c91ef053a943ad511da89ebb0288d800.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1af1012edc102c3a0e5ebeee99175be6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94fbea157988c945f9d0b96642d7a38c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ab4717e4827480f0f6f4ded85e52eab.png)
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2022-10-17更新
|
601次组卷
|
6卷引用:浙江省衢州市乐成寄宿中学2022-2023学年高一上学期期中数学试题
浙江省衢州市乐成寄宿中学2022-2023学年高一上学期期中数学试题河北省石家庄市第二中学2022-2023学年高一上学期适应性考试数学试题安徽省滁州市定远中学2021-2022学年高一上学期10月检测数学试题(已下线)1.4.1充分条件与必要条件(分层作业)-【上好课】(已下线)1.2.3 充分条件、必要条件(第2课时)-高一数学同步精品课堂(人教B版2019必修第一册)(已下线)专题2.2 充分条件、必要条件、充要条件(2)-【帮课堂】苏教版2019必修第一册
名校
解题方法
3 . 在
;② “
“是“
”的充分不必要条件;③
,这三个条件中任选一个,补充到本题第(2)问的横线处,求解下列问题.
问题:已知集合
,
.
(1)当
时,求
;
(2)若 ,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0eae6e4e13d9ed1cf111812239016edd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea9a4259cca10c1f5af28e621ebafd6.png)
问题:已知集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d7a271361617b5bdf757abae67aafb5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af3e1506f3d90b13d05be8d83a467511.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)若 ,求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2022-09-11更新
|
541次组卷
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4卷引用:浙江省衢州第三中学2022-2023学年高一上学期第一次月考数学试题
名校
4 . 已知集合
,集合
.
(1)若集合
,求实数
的取值范围;
(2)若
,且“
”是“
”的充分不必要条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67c4dc87c2f427537e4d796f4bfa468b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46dde1ffe87040449708c09cd1ad01a2.png)
(1)若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a347e53d69e6279105061e656d2f5bc7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa4c355f11471a38f5583a434a1ddeb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2021-11-09更新
|
464次组卷
|
2卷引用:浙江省衢州高级中学2021-2022学年高一上学期期中数学试题
解题方法
5 . 已知集合
,
.
(1)若
,求
;
(2)设
;
, 若
是
的充分不必要条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba09829ae989af6a4d3f83410093e72c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/405e3a2ee654efa90abc555058ab0ad6.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fc11e9183ffccd297df4a1c18618bae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/218c5309e534904dc6bf768074965239.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
21-22高一上·浙江·期末
6 . 已知集合
,集合
.
(1)当
时,求
;
(2)设
,若“
”是“
”的充分不必要条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82adb60c18eef82c7a60dc86eb4e952b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c99a6b54023509ad5a7fd6cffecf63d.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65397f11ea8af736f38debadf420c4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eceac03b1f703d7666d91f1fc952cfad.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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