名校
1 . 已知集合
,集合
.
(1)若a=3,求A∩B和A∪B;
(2)设命题p:x∈A,命题q:x∈B,若p是q成立的必要不充分条件,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39da285c3abba8aac2d00ff0a7b2f15f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7004c93ff49088e7b74166a63cc59812.png)
(1)若a=3,求A∩B和A∪B;
(2)设命题p:x∈A,命题q:x∈B,若p是q成立的必要不充分条件,求实数a的取值范围.
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2020-11-29更新
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591次组卷
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6卷引用:安徽省安庆市第一中学2020-2021学年高一上学期期中数学试题
2 . 解下列不等式(组)
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4790b0abc1a0cc87fdb599f3cf458ed.png)
(2)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4790b0abc1a0cc87fdb599f3cf458ed.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fe03429572aadbeae6f97046bc16109.png)
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名校
3 . 已知集合
,集合
.求:
(1)
;
(2)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8ea32b028f3bb34f88cc7cb97e23194.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ae8301ead07fd9db7d2e708fe49da7a.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
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4 . 已知不等式
的解集是
.
(1)若
,求
的取值范围;
(2)若
,求不等式
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b671089c0a5667bdaacacad6c0b976a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fefe237385a2dc1b005d8dc61ef56eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/887f6fe7d279d3c5e78f7c06fa501734.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed38fbb717d75836ebe3176dad17563e.png)
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2020-11-27更新
|
405次组卷
|
7卷引用:安徽省亳州市第一中学2020-2021学年高一上学期11月月考数学试题
名校
解题方法
5 . 已知集合
,
,
.
(1)求
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/800172c2621d5b254ab81f1d164636ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e55a590edc3a01e7bc3b5524f308709.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ac1a3dcde5054a0d323c3d87e27e401.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/281b7f1f77b4b82e84f906019acca76f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2020-11-15更新
|
111次组卷
|
4卷引用:安徽省蚌埠市第三中学2019-2020学年高一下学期开学考试数学试题
安徽省蚌埠市第三中学2019-2020学年高一下学期开学考试数学试题2016-2017学年浙江台州五校联盟高一上期中数学试卷2016-2017学年河北武邑中学高一上学期月考三数学试卷(已下线)【新东方】【2021.4.27】【宁波】【高一上】【高中数学】【00115】
名校
解题方法
6 . 已知全集
,集合
,
,
.
(1)求
;
(2)若
,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a64dc61989ca50b9ee19d835c4ed268.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bce34576b120377f2be15b5ea1f1402d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0fe5e5b25a5b8af00ad387e89a117ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ccdb1f60bf20f1571d1b15beaf8cd2c.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5159ab0a801b54df6535a0a6a16cc556.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bafb511452fb3b93485fe41c73810efd.png)
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解题方法
7 . 2020年春节前后,一场突如其来的新冠肺炎疫情在全国蔓延.在党中央的坚强领导和统一指挥下,全国人民众志成城.团结一心,掀起了一场疫情防控阻击战.目前,我国疫情防控进入常态化.王兵开办了一家印刷厂.如图,一份矩形宣传单的排版面积
矩形
)为
,它的两边都留有宽为
的空白,顶部和底部都留有宽为
的空白.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/25/4f310ba2-f3c9-4b92-8903-fc18dd34bf93.png?resizew=144)
(1)若
,
,且该宣传单的面积不超过
,求
的取值范围;
(2)若
,
,则当
长多少时,才能使纸的用量最少?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd995178601c2ad7b40f973d268c7bb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/878e89b6eca35e34c863e832a2c661db.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/25/4f310ba2-f3c9-4b92-8903-fc18dd34bf93.png?resizew=144)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9040c9795e7132ebf65ede1f98c4d72b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d30f2ee280b93cdeb3bcbfa7af980fac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf53ab1d7cf106d1c22cdfd5dceddd74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06a4c76357f9b0a762a7d6961fb0367f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11cc52ef2dd98e17a08cc8c26fe8b9f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
您最近一年使用:0次
2020-11-14更新
|
212次组卷
|
3卷引用:安徽省池州市东至县第三中学2020-2021学年高一上学期期中数学试题
名校
8 . 已知命题
:实数
满足
;命题
:实数
满足
.
(1)当
时,若P和q都为真,求
的取值范围;
(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/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1601ffa28721d06e43046c90b880a875.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec2b5883ca0dd0998992c431774db88c.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ffc1bb9d53a27d484396ad74d6a26e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e26b38e357c7d985656ba7bb3c794a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2020-11-14更新
|
576次组卷
|
3卷引用:安徽省亳州市第二中学2020-2021学年高一上学期期中数学试题
9 . 已知
,命题
.
(1)当
时,
和
都是真命题,求
的取值范围;
(2)若
是
的必要不充分条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c245f27d1857a39279c6b2ab39f1b98f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c49c552ce3e47fafa09481334aca9032.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a1d1b048f3f9ea35a9685b44f49338b.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/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)若
![](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/294f5ba74cdf695fc9a8a8e52f421328.png)
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2020-11-12更新
|
198次组卷
|
2卷引用:安徽省六安市舒城县2020-2021学年高一上学期期末数学试题
名校
10 . 解关于x的不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eefeb2bb1a23511f9a2e9a3fe124b384.png)
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