已知集合
.
(1)若
,求
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8c464f944fdfaf91b9b8b2178506c99.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb9ba1e230baf0fcced5be5568ffb3a5.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7eac19737d882225c903054eb4863501.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
20-21高一·浙江·期末 查看更多[1]
(已下线)【新东方】双师74
更新时间:2021-01-15 10:31:43
|
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解答题-问答题
|
较易
(0.85)
【推荐1】已知集合
或
,
.
(1)若
,求
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c8f415206c2eeb9332c4b10772e1340.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61b700dc51dce8dd6f00d1d1905672d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43711e3665c360513a7caf4e8f0ff7b8.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95321d0e551daa25104d32157249c23d.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
解题方法
【推荐2】设集合
,不等式
的解集为B.
(1)当
时,求集合A、B;
(2)当
,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b0cc8b02d34f05be1f677e8062e221a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9b12142a51d8a1af389a89ffd727a73.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd9d50619b779c1056602f46b2a95e90.png)
您最近一年使用:0次
解答题-问答题
|
较易
(0.85)
名校
【推荐1】已知集合
,
.
(1)若
时,求
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36d4823657a55b5441c7d239a5352aca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3e3aa9b02b498b00b1b0c8b57a4f9d9.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa4c355f11471a38f5583a434a1ddeb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/730d23f37e7590f2d07826f76e934549.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d64fd20555be869b4c31b71fd578f0a4.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)
【推荐2】设全集
{
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是小于等于9的正整数},
,
,
,求:
(1)
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/323b7a0ca1495a6759045afb3255d33e.png)
(2)
,
,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15fa22efc54f77da4a17374ca8ab67d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/126d96492cf4f078a38b2fe56cc9b0bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a617c7e07c7705c1de66d9db33677baf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c48a4751d7d410f9737c84816e23b204.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/323b7a0ca1495a6759045afb3255d33e.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4769a91840a828294d88dae74455195b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c809a690704482d7258dad5b406482b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc0fd8540a0b60c420ec1473158a477a.png)
您最近一年使用:0次
解答题-问答题
|
较易
(0.85)
名校
【推荐1】已知集合
.
(1)当
时,求
;
(2)若
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/190ab0e4e975e4eadec51753703ed96b.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b05d2be27e8f53e4de3071846dffb41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次