名校
1 . 已知“
”是“
”的充分非必要条件,则实数a的取值范围是_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fde64f4d3c38e43fbdee24eadc4b0dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/113c0e14352794af0c72f63f4b2efc76.png)
您最近一年使用:0次
2021-12-02更新
|
341次组卷
|
7卷引用:【全国百强校】上海市建平中学2018-2019学年高一上学期期中考试数学试题
名校
2 .
的解集为
的一个充分非必要条件可以是____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/618c41cf21361b3896134ef09f8adc4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
您最近一年使用:0次
名校
3 . 已知集合
,
,且
.
(1)若
是
的充分条件,求实数a的取值范围;
(2)若命题“
”为假命题,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/462ad3c958d4ca90a493d5b79a7b340d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f1e00a405707cb0650c01cc434299ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
(2)若命题“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea9a4259cca10c1f5af28e621ebafd6.png)
您最近一年使用:0次
名校
4 . 设集合
,
,且“
”是“
”的充分不必要条件,则实数
的取值范围是____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afa95d7372c2038d6985618d3acd9e5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ffe25c90defcdb9d2fcc2a0b35dc017.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)
您最近一年使用:0次
18-19高一上·上海浦东新·期中
名校
5 . 已知集合
,
,若
:“
”是
:“
”的充分不必要条件,则实数
的取值范围为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa33830ac343ddbcd6f8cf74068b5d2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcd75815210d63f090fb571e570fa21a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.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
名校
6 . 设α:
;β:
,
,若α是β的充分不必要条件,则m的取值范围是________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00879cffccc124857ca755a8c345e45f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48147e0dbb5938658b1fc9ec63a741a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2725a89d93c791f7a0098f4964587905.png)
您最近一年使用:0次
2019-11-08更新
|
613次组卷
|
4卷引用:上海市金山中学2018-2019学年高一上学期期中数学试题
名校
7 . 若“
”的一个充分非必要条件是“
”,则实数
的取值范围是_________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc9019840527373702a8cfd83473e8d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/124f08242308abb1041a73231d9ad1dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2020-11-06更新
|
372次组卷
|
7卷引用:上海市第二中学2020-2021学年高一上学期期中数学试题
上海市第二中学2020-2021学年高一上学期期中数学试题安徽省合肥世界外国语学校2022-2023学年高一上学期期中数学试题广西桂林市逸仙中学2022-2023学年高一上学期11月段考数学试题(已下线)1.4 充分条件与必要条件-【优质课堂】2021-2022学年高一数学同步课时优练测(人教A版2019必修第一册)江苏省南通市海安市实验中学2023-2024学年高一上学期第一次学情检测数学试题安徽省蚌埠田家炳中学2023-2024学年高一上学期10月月考数学A卷河北省保定市第三中学2023-2024学年高一上学期10月月考数学试题
解题方法
8 . 已知关于
的不等式
的解集为
,不等式
的解集为
.
(1)若
,求实数
的值和解集
.
(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/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf83e429bb2acbe93f979e1597da4eee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa3dfe9b6b35c82c1031cca15257a7d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c55a140306edd6fb5baad1e963012015.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
(2)若“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ca06304795e9c2c1fd0b4a52eb8d5b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acfc595518cf752e1c7903dfff93dbda.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
9 . 设
:
,
:
,若
是
的充分非必要条件,则实数
的取值范围是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9987265b5eb51ae7ecd02bb8d7feaff2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc8e7413ac3019f5e06f978b1550fe33.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
解题方法
10 . 完成下列各题
(1)设
,
,比较M、N的大小;
(2)已知条件
:
,条件
:
,若
是
的充分条件,求实数m的数值范围.
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48e4da4021380da5e77ee5c59d18d74e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31dadcc8a1274f12005beaa9ad72fc0b.png)
(2)已知条件
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86983793a538805442d1937fe3c24459.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6343069217cd6d8dd32446da428dae46.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
您最近一年使用:0次