解下列不等式
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ffbfd7228b79c782addab01abc5cd17.png)
(2)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ffbfd7228b79c782addab01abc5cd17.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c739230ffc5901934138f83988b58086.png)
更新时间:2023-10-12 21:56:52
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解答题-问答题
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较易
(0.85)
解题方法
【推荐1】已知集合
.
(1)求
; (2)若全集
,求
;
(3)若
,且
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfe3ed280d15d76ed70cb8b3c86047df.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f234b10a25059881b435db67cf61069.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f7f860e8f0503c476eaf0bd73a71810.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/165cfd26a5e3eebe4ce2dc518998c712.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3662b24ada314b9bd748f3f6519bf4ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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【推荐2】给定
:
;
:
,若“
且
”为假命题,则
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45291e4e6b3df248b21b53260df11cfa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a58e6a329ad4341b960c003e14e43c96.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)
您最近一年使用:0次
解答题-问答题
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名校
解题方法
【推荐1】集合
,
,若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e49c999443fe018999e59a4fece3e7de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0998a45176b7df6a430478420d360ecf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04ceb1f338fa60976229d7ec6531b626.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解答题-问答题
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较易
(0.85)
名校
【推荐2】已知集合
,集合
.
(1)求集合
;
(2)若集合
,
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebef35c1d62e39ad0d359034d4ce74a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02289ec9796669c19772f01d1c94514e.png)
(1)求集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc0dc8098ad6f31bdd87771ca9cfa33a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7e1454582a0ed30e5c758939309eb27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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