1 . 回答下列各题:
(1)计算:
.
(2)求不等式组
的解.
(3)先化简,再求值
,其中x的值是方程
的根.
(1)计算:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65d37748a847ea07f86e9d8987fc41b0.png)
(2)求不等式组
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e43d080c3647643a56a853d0e4685d6.png)
(3)先化简,再求值
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/668ff378ae340df95a355acaf5806bdc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8034dddd265a186e29172623e3b9eadf.png)
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2 . (1)化简再求值:
,其中
.
(2)解分式方程:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40d8a8518de3b067fc57251db0de0af8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78f0f9ea5fbaf5ef0f979768b4dde09d.png)
(2)解分式方程:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7091603e32e8b874d06bf1c3b441aafc.png)
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3 . (1)计算:
.
(2)解不等式组:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0fbc17b6131a1d704a6850b86a13e0e.png)
(2)解不等式组:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01a8ce1e2d86cc4b582e819782976936.png)
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4 . (1)计算:
;
(2)解不等式组:
;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c53295ce58f5d18af28bb31b874feec2.png)
(2)解不等式组:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d983a1692ea916cc096a607b244770f1.png)
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5 . (1)计算:
.
(2)解不等式组:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b37a3bda6b01e0ba1ae371376e744e14.png)
(2)解不等式组:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8ad7595a8ee68167572656178331c02.png)
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6 . (1)计算:
;
(2)解不等式组:
;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9b1f5e8369ff1939ad6dc74688dbd6b.png)
(2)解不等式组:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdcfe579029c103167046cae43c31b33.png)
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名校
7 . 回答下列各题.
(1)求值:
.
(2)解关于
的不等式:
(其中
).
(1)求值:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef28c427f4ab6ba19a6346dcbaa18f5c.png)
(2)解关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/965d021202509620ab356d6a21fb374e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e10e1c43b86a8cd4360ca9b57232164.png)
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2020-12-14更新
|
311次组卷
|
3卷引用:四川省泸州市泸县第一中学2022-2023学年高一上学期12月月考数学试题
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)
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9 . 已知函数
,其中
.
(1)若关于x的方程
有两实数根,且两实数根之积等于1,求k的值;
(2)解关子x的不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a3dcde28513346c37c253150fd96ee5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5aff8d9b6533ff319420cdc5e8740b04.png)
(1)若关于x的方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbfc09a451800062a6c3160ab8400c8d.png)
(2)解关子x的不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a71baf6217604517fd98fa97d0f55b43.png)
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10 . 化简求值(需要写出计算过程).
(1)
;
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43ef7db884d7ec920d17b35e9b425903.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05655488950cfb4edf8bcbd20d41aedd.png)
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