名校
解题方法
1 . 已知
的内角
的对边分别为
,若
,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34019eef8af3e78b229ac7d1f2ab3c17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec2ed087441137638ce6c4a8d3018757.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
解题方法
2 . 已知
,
,直线
与曲线
相切,则
的最小值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b140e221ddf537b8964fff8557cca0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de8610232c77741a37463feba1a66c94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8f5555cca572226769d0bc9891f3323.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86ba801dc082ef554e184c1cec31543b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d27e62ba44cbfec6823ebc1f0c7457fb.png)
A.4 | B.3 | C.2 | D.1 |
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名校
解题方法
3 . 若制作一个容积为
的圆锥形无盖容器(不考虑材料的厚度),要使所用材料最省,则该圆锥的高是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67fb457e8ac0d3ac35e1c668ea138f91.png)
A.![]() | B.2 | C.![]() | D.4 |
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2024-06-04更新
|
543次组卷
|
2卷引用:福建省莆田市2024届高三第四次教学质量检测(三模)数学试题
解题方法
4 . 已知
,
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e14facc6aef16f3732c12631d858e8b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3dde19dc4d3119bd2cbe4f04bc69f31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb8c2a7421c540b94bff235b251b8b58.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
5 . 已知
,且
,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2a9344f4fca7b9779ca7720e5277ea6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca845954ff04c758d90ce28f4301c615.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/273b63fc788388fab8b4f685fdb83230.png)
A.![]() | B.![]() | C.4 | D.6 |
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名校
解题方法
6 . 已知![](https://staticzujuan.xkw.com/quesimg/Upload/formula/621beb3d38507ef330a8b61c936a8f18.png)
的值域为
,
,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/621beb3d38507ef330a8b61c936a8f18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56e2c8c8bb2f5cdf5c1ba58c78e58569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85627867bafefd05fe7a137fcdabb934.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
解题方法
7 . 对任意
,不等式
恒成立,则实数a的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0eac2b31a19918895e5af2d316490e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d31be7b35955d4f0ab4cab80bec7edd.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
解题方法
8 .
的三边
所对的角为
,
,则下列说法不正确 的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c63191b402ed89bc5b0762b5262dd54.png)
A.![]() |
B.若![]() ![]() ![]() |
C.当![]() ![]() ![]() |
D.若![]() ![]() ![]() ![]() |
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名校
9 . 已知正实数
,
满足
,则
的最大值为( )
![](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/272623df91554c2ebbf61f363eaaa673.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd431067392a8350a0eb827dba39a31e.png)
A.0 | B.![]() | C.1 | D.![]() |
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2024-06-03更新
|
1427次组卷
|
3卷引用:贵州省凯里市第一中学2024届高三模拟考试(二模)数学试题
名校
解题方法
10 . 已知
的三个内角A、B、C满足
,当
的值最大时,
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3094687e3bd3ecd42d4389f9502b7d81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b01adc561735ff5be9bb97266918f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa1d1c465722a65f4a13934b511b7029.png)
A.2 | B.1 | C.![]() | D.![]() |
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