名校
1 . 已知函数
,若集合
中有且只有两个元素,则实数
的取值范围是______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/521ef8003b17d97703d8ad63aa5339ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a071885181dced8d6e77047733af580.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2021-11-20更新
|
1188次组卷
|
3卷引用:重庆市凤鸣山中学2021-2022学年高一上学期11月月考数学试题
2 . 下列条件中能使
成立的条件是____________
①
; ②
③
,
④
,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3aa23408bcc9f6200f22a310e5f2569a.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39d5f0d374837655cc286d326305da36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94ed37ee7432002cd0e0978b2012e184.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca5fd57c2c2fcc3c7a574fdd1467d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e10e1c43b86a8cd4360ca9b57232164.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3a915c1a8a9304aeb307d130faaeb15.png)
您最近一年使用:0次
名校
3 . 若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd3c988d875438535244ee2b092a779b.png)
____________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcb503da905b9314b16e944d4f308926.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd3c988d875438535244ee2b092a779b.png)
您最近一年使用:0次
2021-11-19更新
|
513次组卷
|
3卷引用:重庆市涪陵第二中学校2021-2022学年高一上学期第一次月考数学试题
4 . 已知集合
,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba91c0b1d4260c18460a225634a905c3.png)
_______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07301ac3fb87c8dc190ef950d690c84c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/094ae5cf095c0ce4b66754d60a8aa0e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a22c56a0892c4e4a3106a4edaccfcc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba91c0b1d4260c18460a225634a905c3.png)
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5 . 若
,则
的值是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86dd06f804cfb8461af46a3f85a379ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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解题方法
6 . 已知集合
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95e60375f97ff7854f4d3a8b1108d2e3.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/279fba9ba2f325d2d3c95f8caede1cdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0f92b21e4640d62f21ec117bdca260b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95e60375f97ff7854f4d3a8b1108d2e3.png)
您最近一年使用:0次
2021-11-19更新
|
206次组卷
|
2卷引用:重庆市万州纯阳中学校2021-2022学年高一上学期10月月考数学(B卷)试题
名校
7 . 已知函数
若方程
有4个不同的实数根,则实数
的取值范围是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e3ed24d2f32fecd123727e390016107.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95e9ecfdf2ec90ea96e104158aec81c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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名校
8 . 已知矩形的周长为20,则面积
关于一边长
的函数解析式为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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名校
解题方法
9 . 已知定义在
上的运算“
”:
,关于
的不等式
.若
,不等式恒成立,则实数
的取值范围是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36e16415b61722f9961e412386e6819f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eacdf8bb561f541cad2b3158a38dab98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6cae24c5b2c2f7bccfbd1e479c73975.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/561acf30b972f1f0039b0c4a090913b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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名校
10 . 命题
“
,
”为假命题,则
的取值范围为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51441c8788ff11be766766227793246d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c780149aef1bd77162e85f7f8906a6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6305b71d117d782393094ad53b7a4d03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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