1 . 在△ABC中,角A,B,C所对边分别为a,b,c,若
,则b等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/020cfec6d7a9622504b3ab30c8289e87.png)
A.3![]() | B.6![]() | C.2![]() | D.4![]() |
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2卷引用:西藏昌都市第一高级中学2021-2022学年高二上学期第一次月考数学试题
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2 . 在等差数列
中,若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77dc2f6f53df3eeda1fb1dd6b0bac8ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa37e5661af68b263a3ed9030d4e9003.png)
A.20 | B.24 | C.27 | D.29 |
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解题方法
3 . 已知函数y= Asin(
x+
)(A>0,
>0,|
|<
)在一个周期上的图象如图所示.求这个函数的解析式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1ad72d7565699d1ebb741eb0ce12bac.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/19/899b2f2c-c917-414e-a976-868508d98b38.png?resizew=184)
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4 . 某几何体的三视图如图所示,则该几何体是( )
![](https://img.xkw.com/dksih/QBM/2021/9/3/2800006323634176/2801408083386368/STEM/174f22c858a44d5ea5c988290f0fb0ff.png?resizew=128)
![](https://img.xkw.com/dksih/QBM/2021/9/3/2800006323634176/2801408083386368/STEM/174f22c858a44d5ea5c988290f0fb0ff.png?resizew=128)
A.圆柱 | B.三棱台 | C.圆台 | D.圆锥 |
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5 . 在
中,
,
,
,则
的面积为( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bb5b12692517a39c320f99a479eb055.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f8eeeea1c9652cacce976f8129cf520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b903021571c1b57943a1a3274217654.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
A.![]() | B.![]() | C.![]() | D.3 |
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解题方法
6 . 某程序框图如图所示,则输出的
的值为( )
![](https://img.xkw.com/dksih/QBM/2021/4/28/2709693311049728/2798224033726464/STEM/abaae90a-f1ad-41fc-9db1-53a1bb7e2847.png?resizew=172)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://img.xkw.com/dksih/QBM/2021/4/28/2709693311049728/2798224033726464/STEM/abaae90a-f1ad-41fc-9db1-53a1bb7e2847.png?resizew=172)
A.26 | B.11 | C.56 | D.37 |
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2021高一·江苏·专题练习
7 . 对于任意实数
,命题(1)若
则
(2)若
则
(3)若
则
(4)若
则
;(5)若
则
其中正确的个数是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e69c8493f7f004d5ca3ce093eb6d3936.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa374da86764dc184a5c273947866721.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ae36bdd26007c5f3e38f67d5fd8bae0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c194b34f5f285670d3cce0d6273ea531.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cb0e46b4d033f3ec9f2b6fbdfac7ff8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce24ef5f0f80415dfe962ae9cfec0a06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5b807c74bb3aff866ced42b5091607a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c194b34f5f285670d3cce0d6273ea531.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cb54b1b3617ebc502cb44194cbcd1dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51eb4a3e6e67d206b9609a99b635f4d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/830519b1053a1c85f10eba9b77e320af.png)
A.1 | B.2 | C.3 | D.4 |
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4卷引用:西藏昌都市第一高级中学2021-2022学年高二上学期期中考试数学试题
西藏昌都市第一高级中学2021-2022学年高二上学期期中考试数学试题(已下线)2.1命题、定理、定义(备作业)-【上好课】2021-2022学年高一数学同步备课系列(苏教版2019必修第一册)(已下线)专题08 不等式基础题型汇总-2021-2022学年高一《新题速递·数学》(人教A版2019)广西桂林市桂电中学2021-2022学年高二上学期期中数学试题
名校
解题方法
8 .
的内角
,
,
的对边分别为
,
,
.若
,则
为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.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/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2681f0d1732bcaa8d6362fbd1fa6caa2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
A.等腰且直角三角形 | B.等腰或直角三角形 |
C.等边三角形 | D.等腰三角形 |
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9 . 等比数列2,6,…,的前10项和的值为______
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解题方法
10 . 已知实数:
,
满足不等式组
则
的最小值为( )
![](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/29313de2b06439cbfafd81fc3182340b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bfeb8b0075f7dcfc571034c2a849e98.png)
A.34 | B.10 | C.6 | D.4 |
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