1 . 若
,则化简
的结果是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d26abe98a9dd5a4678bfad9f3b4e6a1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e61e42008519844d968b4e031d0dcaa7.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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4卷引用:河南省濮阳市2024届高三第三次模拟考试数学试题
2 . (1)解方程:
.
(2)求值:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/638c5adc6e1300209246f802e8c69a23.png)
(2)求值:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5e3915352d054290dbecaec123d54a6.png)
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2024-06-08更新
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2卷引用:云南省丽江市玉龙纳西族自治县第一中学2023-2024学年高一上学期12月月考数学试题
3 . 化简求值.
(1)
;
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37628a47f722a4bc2a991e76b4723dbc.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b77639f1cb8ed164f294820f0bef8a7.png)
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4 . 解答以下两个小题:
(1)求
的值;
(2)若
,求
的值.
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6306f753fe8458efe5cf9887b64c4422.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a8c9f990fc696c4b27d02cb9e92fe9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46c1f68a5bc3695f488c3c9249ac77ea.png)
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名校
5 . (1)求值:
;
(2)设
,
,试用
,
表示
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dfb82006cc59515cd0d628ac2c4f851.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a08a2a5540efcdb5a77aa4ea3049884.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/850df3e299d9b1ecbda7e3a59e2a255e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bf842a975fc4eb344d3ec356854ceb8.png)
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6 . (1)若
求
的值;
(2)求值:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6676e0c0cc6b552048c910314e84ee2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9d99d1d9273c5fb149610850ac06ab0.png)
(2)求值:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f1f01fc08947a0ca07ee5c5081a430b.png)
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7 . (1)已知
,
,用a、b表示
.
(2)设
,
为方程
的两个根,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f9b89520de2880241fc32d465a1aa69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e943f0acc5de35a5bcd1b302f17b80be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0735291332a6f5ee5644633bed2753da.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c4f7ac110287b1fe48085b15ec3a4a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea708fd46f22a6a72343904439f7901d.png)
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8 . (1)
;
(2)已知
,
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d432e7dbac0a77b761b32b4880e5a0dd.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f401373b5a835e640a06ef1e70f2db6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/872be4645b9ccafc2744f8c822d17005.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d125bccd8d0bdf7e7358c158514ac45.png)
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9 . 计算:
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b7218aa36f90dc46d1004daa396de2b.png)
(2)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b7218aa36f90dc46d1004daa396de2b.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b42011f840f47d21f9ae7f9d5834488.png)
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10 . 计算:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daaed1ef2c0c2f8e0fbd90738c98bfee.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daaed1ef2c0c2f8e0fbd90738c98bfee.png)
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