名校
1 . 已知
中,
,
,且
的面积为
,若直线AB上存在点D,使
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1ec5d678ec42846e1d28301e3bfd4be.png)
________ .
![](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/1ffc2817fa590affb5a760a25dc65308.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/372f9ea8883183714011705674b7cdad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1ec5d678ec42846e1d28301e3bfd4be.png)
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名校
2 . 数据:7.2,8.3,8.5,8.5,8.7,8.8,9.0,9.2的第40百分位数是________ .
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解题方法
3 . 已知向量
、
的夹角为
,
,
,则向量
在向量
上的投影向量为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3b199d124fb9a5bc8438c9884f04534.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c9b39c232d3927cadecd6ca38403838.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39a593f5a5b0b6d5a3e4bb0481875af6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
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4 . 已知
的内角A,B,C所对的边分别为a,b,c,且
,则
的面积为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e763348ce457e931648f62ee070405a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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7日内更新
|
315次组卷
|
3卷引用:海南省2022-2023学年高二下学期学业水平期中考试数学试题
23-24高二下·湖南岳阳·阶段练习
名校
5 .
的展开式中
的系数为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e142e5b7e43bfa38ecd44624ddbe1a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2af9764aa29ce1378f9c6f6c3ceea928.png)
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6 . 如图是某质点做简谐运动的部分图像,该质点的振幅为2,位移
与时间
满足函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/070d1ea22a92808dad7489438c239629.png)
,点
在该函数的图象上,且位置如图所示,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23ce0514a53129fd56e47ee732539e8f.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/070d1ea22a92808dad7489438c239629.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a083c54c34f4cc2ab2f92fe07f10e8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/718c815c4ff96d8a768764875b2cb4a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23ce0514a53129fd56e47ee732539e8f.png)
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2024-06-11更新
|
205次组卷
|
2卷引用:海南省2023-2024学年高三学业水平诊断(五)数学试题
解题方法
7 . 若函数
在区间
上单调递减,则
的取值范围是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21f2007c6d0e329a8c91905b00b667ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/870ebc2f7aabb028024894568d749934.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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2024-06-02更新
|
1292次组卷
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3卷引用:海南省部分学校2024届高三考前押题考试(三模)数学试题
8 . 已知圆
:
,点P在直线
:
上,过点P作
的两条切线,切点分别为
.当
最大时,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2097c3d86a18ce211d7fcfb395788725.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68d48c9dfe2aa86d23d39af5bc882f1b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f699a004343b7bccb40ee14a04d9447.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb686e4f5e3938575bc547e849d5513f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2097c3d86a18ce211d7fcfb395788725.png)
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解题方法
9 . 已知集合
,
,若
,则
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1e40d383c3986183c8f5cb0af722fa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2e3ce69f326d597f32940126fbf5d6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd9d50619b779c1056602f46b2a95e90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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10 . 若对任意的
,不等式
恒成立,则
的最大整数值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f85ad2f8c06af4eabd647a760498bf5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2024-05-11更新
|
387次组卷
|
4卷引用:海南省2023-2024学年高三学业水平诊断(五)数学试题