名校
解题方法
1 . 设集合
,
,
.
(1)设全集
,求
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55caa42f444e0b6948660942623df4af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb50d33156d87943dc70bf3a04712719.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a0bd1633d30d1a5a230fbeeb7659417.png)
(1)设全集
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc0dc8098ad6f31bdd87771ca9cfa33a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c809a690704482d7258dad5b406482b.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdbbe46a98a8fdebfc46fcbc45dc88e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解题方法
2 . 已知集合
或
.
(1)当
时,求
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/872562850413d26f5e4721a4f282274a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2cd4e5d7e63d3862675cf9b1d4175cc.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8a3cc8c48bf54ec8252e5dce6867754.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67942a923fbfb7b997160b13f1fba776.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c778ccfbd6e854a671c0f5576c596c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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3 . 已知集合
.
(1)求
;
(2)求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c3cdd7b47041cc8bb1aec9e140b1078.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b262d7550393adaf604eda738fa2cb7.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68c9888b5d5c5ccae881b6270267b769.png)
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4 . 已知集合
,
.
(1)当
时,求
;
(2)在①
;②
.这两个条件中任选一个作为已知条件,求实数a的取值范围.
注:如果选择多个条件分别解答,则按第一个解答计分.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9974d054906aee441ddae889264dc5de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74f55ba2923958946b0fc401cad517d4.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)在①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a069f116c0e5802c89d7f62f1591f991.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c1acb490ba7c2c77462def690ce6728.png)
注:如果选择多个条件分别解答,则按第一个解答计分.
您最近一年使用:0次
2024高三·全国·专题练习
解题方法
5 . 设
是两个非空集合,“若
,则必有
”这个命题是假命题,请你举出反例.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e52586ca2a3b783bc8092415e2d4bf6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f443096be1d8d50ea3e2ab2ac3d49c6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2ad78dc8b8aed907b4fe9640c997454.png)
您最近一年使用:0次
名校
6 . 已知全集
为全体实数,集合
,集合
.
(1)求
;
(2)求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b52b4f24969673c863b5aff4fb6751ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b0b59379f4b9f23f00c30c3f5adb553.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5041bc91dc7835b2f9cb15bd950d4dd8.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76e5450f24464d07f1a767714fa639cc.png)
您最近一年使用:0次
名校
7 . 已知非空集合
.
(1)若
,求
;
(2)若“
”是“
”的充分条件,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d31e37a190463cfd159c186d4032547a.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65397f11ea8af736f38debadf420c4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd141a96ef4ffbc72414d36abc86b1a9.png)
(2)若“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/320a7c616f6f7207a0a38bb707ac2205.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8e70471c491557e1523164a717e04af.png)
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2024-01-10更新
|
669次组卷
|
4卷引用:1.4.1充分条件与必要条件
(已下线)1.4.1充分条件与必要条件广东省珠海市第一中学2023-2024学年高一上学期1月阶段测试数学试题(已下线)高一数学开学摸底考01-全国甲卷、乙卷专用开学摸底考试卷江苏省苏州市江苏外国语学校2023-2024学年高一上学期12月月考数学试题
解题方法
8 . 已知非空集合
,
.
(1)若
,求
;
(2)若“
”是“
”的既不充分也不必要条件,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99bb38d9134047aa243f68859d118ce2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4761bec558fb18cae135a44f07935257.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/361048fd1b1a7f3b7230404a04b7155a.png)
(2)若“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
您最近一年使用:0次
名校
解题方法
9 . 已知集合
或
.
(1)若
,求
;
(2)若 “
” 是 “
” 的充分条件,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6765a5c8357d4b0998b0b6abd309e21d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9285ba4848c5b116271e364e15c65fa.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfb17a2a90cd479b604258d1258e9636.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/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2023-12-07更新
|
495次组卷
|
4卷引用:专题01 集合与常用逻辑用语2 -期末复习重难培优与单元检测(人教A版2019)
(已下线)专题01 集合与常用逻辑用语2 -期末复习重难培优与单元检测(人教A版2019)四川省达州市宣汉中学2023-2024学年高一上学期第二次月考数学试题四川省内江市威远中学校2023-2024学年高一上学期第二次月考数学试题安徽省淮北市第一中学2023-2024学年高一上学期第三次月考数学试题
名校
解题方法
10 . 设集合
,
.
(1)若
,求实数
的取值范围;
(2)设
,若
且
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5b3a0e9dd4e8479f2c384d36cc026db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cf2ab7f1c0c15ad65a1374d205d8f9d.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdbbe46a98a8fdebfc46fcbc45dc88e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b02574673c44476099867f0b44844b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1a5f174fe4e586f77a1c9a3ed033506.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/320a7c616f6f7207a0a38bb707ac2205.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次