名校
1 . (1)解不等式组:
(2)先化简,再求值:(
-
)÷
,其中x=
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/731bc155992954c7899fb0669576e594.png)
(2)先化简,再求值:(
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b60b122e651b49f676e07bd8c815006f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a76241e782e13eeee7c187507778aecf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b05e238548dc202137a63d8b20ff277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
您最近一年使用:0次
解题方法
2 . (1)化简求值:
;
(2)解关于x的不等式:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5796a837ce061d7494540f0bc522923f.png)
(2)解关于x的不等式:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7232718d2d78bad722a2ffc476059bc0.png)
您最近一年使用:0次
3 . 解下列各题:
(1)解不等式:
;
(2)计算:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03356b51d55a5d49d6fa710ecc885f4c.png)
(3)设
是非零实数,已知
的值.
(1)解不等式:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3db7dc6d6d563e64470ad7c0196b75a3.png)
(2)计算:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03356b51d55a5d49d6fa710ecc885f4c.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e7f321c2a74ef6e75ff3a4252323457.png)
您最近一年使用:0次
4 . (1)计算
;
(2)解不等式组:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82acc9767819fdd0ac30037a4818b18f.png)
(2)解不等式组:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4c2b0c93c890719c683bad6626fa7df.png)
您最近一年使用:0次
5 . (1)已知
,求
的值;
(2)化简求值:
;
(3)解不等式:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a8c9f990fc696c4b27d02cb9e92fe9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0666cbe081eb4ae1c2e4fd96b1cdc37.png)
(2)化简求值:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46db28c1c687bca6346f3ed3b544f9ff.png)
(3)解不等式:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1be8e2c2b408190995b8e4336eab5c66.png)
您最近一年使用:0次
6 . 解下列各题:
(1)解方程:
.
(2)求等比数列2,4,8,16,…前十项的和.
(1)解方程:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25f53fd9d1dccf6b20066df5493b5698.png)
(2)求等比数列2,4,8,16,…前十项的和.
您最近一年使用:0次
名校
7 . (1)解关于x的不等式
(结果用集合或区间表示);
(2)化简:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb8677fc6aa7ee2f54c821789165aa5d.png)
(2)化简:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d54aa29195e60bfa83a17f96534f25f.png)
您最近一年使用:0次
名校
8 . 计算下面两式的结果
(1)若
,求![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daf0159b286dc2f2b447e70c2d7e3f29.png)
的值.
(2)化简求值:
.
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d873727b837fd3acdce4aa0fcdfbe54d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daf0159b286dc2f2b447e70c2d7e3f29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6762f46b9671979dafbf9a294b4fcfda.png)
(2)化简求值:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b33427cdb001f68a833ce5224daf47cb.png)
您最近一年使用:0次
9 . 化简求值:
(1)计算:
;
(2)已知
,求
的值.
(1)计算:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cba784f32e65840e7a998e188e9c6f84.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fc7310f495318445c57f321df042256.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0b24f755c35dd9edba43c168a9fa188.png)
您最近一年使用:0次
名校
10 . 化简求值:
(1)计算
;
(2)计算
(式中字母均是正数)
(3)已知
,求
的值.
(1)计算
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64ceccb27e8cbdc4cb185ac7cabe0341.png)
(2)计算
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b4fcbf72cd6f7dcffa5cf8caff8830b.png)
(3)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83d08a92e6ed65682f54180581ed304a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7b977a560a23343419f368a0afe5f0b.png)
您最近一年使用:0次