1 . 解不等式组及计算:
(1)解不等式组![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09b2fdadaaec3762b29658146dd94010.png)
(2)因式分解:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93aeb4732bc25e7793e70e618e2a60b5.png)
(3)解方程:
;
(4)先化简,再求值:
,从
,0,2中取一个合适的数作为x的值代入求值.
(1)解不等式组
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09b2fdadaaec3762b29658146dd94010.png)
(2)因式分解:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93aeb4732bc25e7793e70e618e2a60b5.png)
(3)解方程:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f4a16ba60d105e018f5bad9ed3e3ad0.png)
(4)先化简,再求值:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0053981d6fa80df1c15ec84fccd700a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274a9dc37509f01c2606fb3086a46f4f.png)
您最近一年使用:0次
名校
2 . (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
2022高一·全国·专题练习
3 . 已知
,
满足方程组
,且
.
(1)试用含
的式子表示方程组的解;
(2)求实数
的取值范围;
(3)化简
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74505a91ab0c9038b2e5481131bb1342.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc8d93ef14e700c6bed4e4d31625925a.png)
(1)试用含
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(3)化简
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea3d52af08461102a97ea9cc12ea168a.png)
您最近一年使用:0次
名校
4 . (1)计算:
;
(2)先化简,后求值:
,其中
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2393fbd54f9528459f5f5cbe0290c1a.png)
(2)先化简,后求值:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8998c5f571a64b637a2366ecb19a37e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65397f11ea8af736f38debadf420c4a.png)
您最近一年使用:0次
名校
5 . (1)计算:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05ff57433f7f606f0329fefefc319b29.png)
(2)先化简,再求值:(x﹣1+
)÷
,其中x的值是从﹣2<x<3的整数值中选取.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05ff57433f7f606f0329fefefc319b29.png)
(2)先化简,再求值:(x﹣1+
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f12bbe93b715841eb6124a3e81f3d007.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f90f8aad9517f5ecf4656ba67a6d5583.png)
您最近一年使用:0次
6 . 设
是方程
的一组解,计算:
(1)
;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cad0086651e05c716cec1ba31cf09f1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c82e7d9f4f7ace849e09e9adcb786b7f.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/821dc5767ac7967687426e4b9c46c918.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b859b72b8127df011d0b3032d2c3ff3e.png)
您最近一年使用:0次
7 . 以下是某同学化简分式
的部分运算过程:
(1)上面的运算过程中第______步出现了错误;
(2)请你写出完整的解答过程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/537f17e5cb6fbd90bcd369a605c85642.png)
解:原式![]() ![]() ![]() | 解: |
(2)请你写出完整的解答过程.
您最近一年使用:0次
8 . (1)计算:
;(请用数字作答)
(2)解关于正整数n的方程:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f43b7aada649818eff36aafab684f32.png)
(2)解关于正整数n的方程:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e916ab9b72f94e671302f8dabb8f208.png)
您最近一年使用:0次
2024-04-04更新
|
724次组卷
|
4卷引用:山东省青岛第二中学2023-2024学年高二下学期3月月考数学试卷
山东省青岛第二中学2023-2024学年高二下学期3月月考数学试卷安徽省淮南第二中学2023-2024学年高二下学期期中教学检测数学试题(已下线)第六章:计数原理章末重点题型复习(1)(已下线)专题01 第六章 两个计数原理及排列组合--高二期末考点大串讲(人教A版2019)
名校
9 . (1)先化简,再求值:
,其中
;
(2)已知
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15621aa8c8030418a26fd3e41960ef41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5a89c28798a6eb0759c2fde287e9e44.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a59c502b0fe3776645770043581b0a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f6632e68b8052d2b5f9ff1a245c0b63.png)
您最近一年使用:0次
名校
10 . (1)化简:
.
(2)求值:
.
(3)设
,
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9425b2d567b729467fec9498c183e32d.png)
(2)求值:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/349678bf311bf77582444d12907a4428.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5aca7f0097fc0562c40375ce6756d56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1bb6f1d6a053b78c221624885791f66.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2893bd2a2299d8180f45494ba593d1.png)
您最近一年使用:0次