1 . 已知
,若
,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6a0a06e7b4c16d25801029ba90c887e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f0f24d1daf9447a4837e7886261c592.png)
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2 . 已知集合
,
(1)若
,求实数
的值;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7739501d4e2196e1d10f6e1b91e18b26.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbc992c9e51d4b22232adf6bb5c8055a.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
3 . 已知函数
的定义域为集合
,又集合
,且
.
(1)试确定
的值;
(2)求参数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20ac58cf59b80bad283dc6d0d85687cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff12efce81fd56437c6a436159367cea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ca7953d23f8fd017b4afd51b13b1195.png)
(1)试确定
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
(2)求参数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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解题方法
4 . 设集合
、
,且
,求实数k的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fab72baa6da05993d92cac959c94a789.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/533a2d75cb015819d22e8dc0220d4695.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96f1ba0a1129741502600e47bf058c98.png)
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解题方法
5 . 设集合
.
(1)求
;
(2)若
,求整数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81314f8947df5a80093923e7406cd9b0.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6072dcd6919fe252454ee83405c32ae9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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6 . 设集合
为函数
的定义域,集合
为函数
的值域,集合
为不等式
的解集.
(1)求
;
(2)若
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c55c7f765501847ae9d4f409265bde2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c0c4e550a976be3e78dfba6a01929fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4836a72ee4af735413d9178519f0bd9.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f421c7370000b09c5b7a9f143d325594.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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7 . 设给定三个非空数集
,
,
,满足:若
,则
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1f8f6377df6ec052c181dba2ea30ba3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c988a18554b46fa6b441d26e36c1f75d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8da6f7bb0a452a7b82c944f657645a85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/582ad43edf388c096e7704d92340bf75.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e5b3b1cebd048b58ae964533c4ef0e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
解题方法
8 . 已知集合
,集合
,且
,求实数
和
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1323986800e95322b6c56b394c82c645.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6181afa5baa7f695d72a206c49a0fc4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad96b50521f4bbf3d436d05dc258083d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
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9 . 已知集合
,
或
.
(1)当
时,求实数
的取值范围;
(2)当
时,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/193dffb2b61fb5e0820e43bad536ce01.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b22f69fa068b027cb6ce8f177773b4dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074a2025262fb224ccab1efd1c8c992b.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d7f14bf7f60fe19b509223284455f05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5de5b043fc62fcc61647389f6b14980e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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10 . 已知
,集合
或
,集合
,全集
,
(1)当
时,求
;
(2)若
恰有2个元素,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d217c7b12e12e5fb67472452518859ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/288f1b9fcc5393a8f0f3c8552dcb9744.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56a71168bdcab73fdb664218cc0f989a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/031f000a0d497eaefd4933c3f5293126.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc0dc8098ad6f31bdd87771ca9cfa33a.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b109e426e848c161a79366657ca264dc.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b109e426e848c161a79366657ca264dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次