已知集合
.
(1)若
,求
;
(2)若
,求m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bf83b9d5bd8ae92b2901c31f1b1f500.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e94f16d5ed858699bfea5039a7bf8ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cbccf47fb3059e8e0f7bf198a4627f6.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdbbe46a98a8fdebfc46fcbc45dc88e8.png)
更新时间:2022-04-24 11:07:49
|
相似题推荐
解答题-问答题
|
适中
(0.65)
解题方法
【推荐1】如下两个条件①
,②
.
从①②两个条件中任选一个,补充在下面问题中,并求解.
问题:已知集合__________,集合
.
(1)当
时,求
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aeb94c9515e89d2a351010ccc25d1357.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e71dff6cdc23b362bdb0d57cf80afca.png)
从①②两个条件中任选一个,补充在下面问题中,并求解.
问题:已知集合__________,集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83057284f22e4b218bfc31b89f954ef4.png)
(1)当
![](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/fdbbe46a98a8fdebfc46fcbc45dc88e8.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
|
适中
(0.65)
名校
解题方法
【推荐2】在①
;②
;③
这三个条件中任选一个,补充到本题第(2)问的横线处,求解下列问题.
问题:已知集合
.
(1)当
时,求
;
(2)若__________,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd9d50619b779c1056602f46b2a95e90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa39a289220f0997746805a97c6f1023.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea9a4259cca10c1f5af28e621ebafd6.png)
问题:已知集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aca4fef271abfbde4063ee43e59ef16f.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37e9222ffc26c0e6bfbf252ab5d8a520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/361048fd1b1a7f3b7230404a04b7155a.png)
(2)若__________,求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐1】已知集合A={x|x<﹣2或x>3},B={x|a﹣2x≥0}.
(1)当a=6时,求A∪B,A∩B;
(2)当A∪B=R时,求实数a的取值范围.
(1)当a=6时,求A∪B,A∩B;
(2)当A∪B=R时,求实数a的取值范围.
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
名校
解题方法
【推荐2】设集合
,
,
.
(1)求
.
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b186b6503930dd68ecc414e0267def4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9e6c537d678ea04d6c146b79bc14c6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7b6afd010557c8c7667bf867af5d24e.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/709a1f33195ab62f2da488b27a219c25.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f744b0663ff1596e62a4fa115c8d98b.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
|
适中
(0.65)
名校
解题方法
【推荐1】已知集合
,
或
.
(1)若
,求
的取值范围;
(2)若
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2069dfe81fb79bc4a04df54e0289804.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe46e348342ee8fc8205ef2c4fe3128.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb6b253b187fe36e6bd40c46bcfc114a.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea9a4259cca10c1f5af28e621ebafd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd9d50619b779c1056602f46b2a95e90.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
|
适中
(0.65)
【推荐2】已知集合
,
.
(1)若
,求
的取值范围;
(2)若
,求
的取值范围;
(3)若
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b271e18eb399f0ca7a691aaf9b7d5d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cef717875da568bdc9f463144465b360.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04ceb1f338fa60976229d7ec6531b626.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96f1ba0a1129741502600e47bf058c98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e350088f6381527435410ceb47575097.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
|
适中
(0.65)
【推荐3】设常数
,集合
,
.
(Ⅰ)若
,求
,
;
(Ⅱ)若
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28046f3acddca157aee700bf9ecf5b7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/864bc64687d758f1e1b3db589fb00a79.png)
(Ⅰ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/551fd8cd8ea61d794c13074ccd7d6c4e.png)
(Ⅱ)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
|
适中
(0.65)
名校
【推荐1】已知函数
的定义域为集合
,关于
的不等式
的解集为
.
(1)当
时,求
;
(2)若
是
的充分条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/183605113183eb92043ab253e80e26d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/292c0f43668e17ddccc92c50a2cf9ffd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a964b99d839b459f7f14af1d512edcf4.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e8723f62855096c7012bd3f724167e0.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
|
适中
(0.65)
名校
解题方法
【推荐2】设
,
,
.
求:(1)
,
;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f2f56702cf9094378f3a344feec3793.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e7b43ce51d8a14f20290ab821583b92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/173c83b798725a0b80123c8ecc712b44.png)
求:(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7817b055b567e64ea8914a5d6e9b45d.png)
(2).
您最近一年使用:0次