解题方法
1 . 设集合
,
,若
,求实数
的值组成的集合.
![](https://img.xkw.com/dksih/QBM/2017/1/10/1619449826238464/1619449826574336/STEM/7ab2ae6b9f3844928d7a56aa569842d6.png)
![](https://img.xkw.com/dksih/QBM/2017/1/10/1619449826238464/1619449826574336/STEM/d629dbb2b06c4ceeb2250e5ad53cab9b.png)
![](https://img.xkw.com/dksih/QBM/2017/1/10/1619449826238464/1619449826574336/STEM/b4e1d14d039246b0baecd012f673b0a6.png)
![](https://img.xkw.com/dksih/QBM/2017/1/10/1619449826238464/1619449826574336/STEM/f52a530af6804d788f1afa1bdfe8ed22.png)
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名校
2 . (1)设a>b>0,试比较
与
的大小.
(2)设不等式
的解集为A,不等式
的解集为B.若不等式
的解集为A∩B,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d47cb00f84ca1d6d0407715df94ca6aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d79e143337059a41d7069bdb7d9ed756.png)
(2)设不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8853e02cfa11fdca84d2e8a0e3d099d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/846c610e600c9da40bf9368f383ae395.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8023e1902803a7939d2aa32ba9e2d44f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
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2016-12-03更新
|
355次组卷
|
2卷引用:2014-2015学年安徽省津河中学、广德实验中学高一5月联考数学试卷
3 . 设全集
,
,
.
(1)若
,求
,
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e95fc4909817c4f36740ae189d440540.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0bb671c420d918f9bb1c07628801677.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad6f96b56cbe4f29236a6fd843c1a0d6.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bab81a44a1e498bbce59522f5ee7db6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/634589d0a1471e394dc4f7bc2792ddac.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b15a6c3b6bcf62796879944f61ed203a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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10-11高一·河北邯郸·期中
解题方法
4 . 已知集合
,
,且
,求实数
的取值范围.
![](https://img.xkw.com/dksih/QBM/2011/11/10/1570347418091520/1570347423457280/STEM/ab3e0ddc3354498caf36384afcfa8bba.png)
![](https://img.xkw.com/dksih/QBM/2011/11/10/1570347418091520/1570347423457280/STEM/7c6ff7bb16774e43a1bff91002e09ff7.png)
![](https://img.xkw.com/dksih/QBM/2011/11/10/1570347418091520/1570347423457280/STEM/44b5f638a23a401dbaf8ae37cde57bc0.png)
![](https://img.xkw.com/dksih/QBM/2011/11/10/1570347418091520/1570347423457280/STEM/13b526ae489d4cbead0e7f1ee07948cc.png)
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