2024高三·全国·专题练习
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解题方法
1 . 已知向量
,
,
,
_______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0150d9c357f2f8f8deecacd3ef0545cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edcad49be70d78e1e475d77c9d64d617.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41910605980fe3f71b60a50e15e97023.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fdf6f4e96b231e2802b5d6059451534.png)
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2024-06-03更新
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563次组卷
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5卷引用:陕西省商洛市柞水中学2024届高考仿真模拟考试数学(理科)试题
陕西省商洛市柞水中学2024届高考仿真模拟考试数学(理科)试题陕西省柞水中学2024届高考仿真模拟考试数学(文科)试题(已下线)专题10 平面向量(理科)-2(已下线)专题9 平面向量(文科)-1安徽省马鞍山市第二中学2023-2024学年高二上学期开学检测数学试题
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2 . 假设视网膜为一个平面,光在空气中不折射,眼球的成像原理为小孔成像. 思考如下成像原理: 如图,地面内有圆
,其圆心在线段
上,且与线段
交于不与
重合的点
,
地面,且
,
点为人眼所在处,视网膜平面与直线
垂直. 过
点作平面
平行于视网膜平面. 科学家已经证明,这种情况下圆
上任意一点到
点的直线与平面
交点的轨迹(令为曲线
)为椭圆或圆,且由于小孔成像,曲线
与圆
在视网膜平面上的影像是相似的,则当视网膜平面上的圆
的影像为圆时,圆
的半径
为____________ . 当圆
的半径
满足
时,视网膜平面上的圆
的影像的离心率的取值范围为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f919bd3dde10dbbc076f7ec5149699.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e5c62f22d7afc5627fcb86599faa8e1.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bc05f41215f9894e11d1df0465751a.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f919bd3dde10dbbc076f7ec5149699.png)
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2024-05-09更新
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93次组卷
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2卷引用:广东省广州市广东实验中学2024届高三教学情况测试(一)数学B卷
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解题方法
3 . 三个相似的圆锥的体积分别为
,
,
,侧面积分别为
,
,
,且
,
,则实数
的最大值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4764374bd2fb78e59cd0b283637baeb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c63055a5d6916f99d07fede49120753f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3411c87c90bd10bbadd9201630bf45f4.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e0bd63f55069a3bc870915010b39225.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6899bf9cadae2ccdb14cbc87d4f280ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e7f090201a6e72fbe8bd6bb55cd2cb5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc1134d7995638f04b3700b7e404b2da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2024-03-16更新
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1069次组卷
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4卷引用:湖南省2024届高三数学新改革适应性训练二(九省联考题型)
湖南省2024届高三数学新改革适应性训练二(九省联考题型)河南省部分重点高中2024届高三普通高等学校招生全国统一考试(期末联考)数学试卷 河南省部分重点高中(青桐鸣)2023-2024学年高三上学期期末大联考数学试题(已下线)第二章 立体几何中的计算 专题七 空间范围与最值问题 微点5 面积、体积的范围与最值问题(三)【基础版】
4 . 学校迎元旦文艺演出,邀选出小品、相声、独唱、魔术、合唱、朗诵等六个汇报演出节目,如果随机安排节目出场,则朗诵第一个出场的概率为_________ ;若已知朗诵第一个出场,则小品是第二个出场的概率为_________ .
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5 . 《孙子算经》中提到“物不知数”问题.如:被3除余2的正整数按照从小到大的顺序排成一列,即
,构成数列
,记数列
的前
项和为
,则
的最小值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5202b1b4fededfea4c89719d9c280f79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ce90681b67a4e78adfa85e605cd031d.png)
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2024-03-07更新
|
299次组卷
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3卷引用:内蒙古赤峰市2023~2024学年高三上学期1.30模拟文科数学试题
6 . 围棋起源于中国,至今已有
多年的历史.在围棋中,对于一些复杂的死活问题,比如在判断自己单个眼内的气数是否满足需求时,可利用数列通项的递推方法来计算.假设大小为
的眼有
口气,大小为
的眼有
口气,则
与
满足的关系是
,
,
.则
的通项公式为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1573487be070cf0847e22a2cb58064b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
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7 . 已知
为坐标原点,
,
,
,向量
,动点
满足![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bad299e2782c072d27e1c54422cc8fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/638537c0a30676c73fea76c80e0f8bd0.png)
,写出一个
,使得有且只有一个点
同时满足
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b9bece414af7ecb2d796dc8a6f549e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27e62a44b8712ce4483b8710cda0dc1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a291e0d0e2f620a15826a1aa3c04bc37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e77c9666750eb18917c43a03232d7b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bad299e2782c072d27e1c54422cc8fc.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
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2024-02-27更新
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1270次组卷
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2卷引用:湖南省长沙市长郡中学2024届高三一模数学试题
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8 . 如图是一个球形围墙灯,该灯的底座可以近似看作正四棱台.球形灯与底座刚好相切,切点为正四棱台上底面中心,且球形灯内切于底座四棱台的外接球.若正四棱台的上底面边长为4,下底面边长为2,侧棱长为
,则球形灯半径
与正四棱台外接球半径
的比值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bc05f41215f9894e11d1df0465751a.png)
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![](https://img.xkw.com/dksih/QBM/2024/2/24/3439881745645568/3442029472153600/STEM/0066b9762966488a85b34c65df195b17.png?resizew=105)
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9 . 曲线
上动点
与
构成
,若
,则实数
的取值范围为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b67d93773ed34cfe79fd47025c9dac1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51296b06e4f0ac74bea949ce2d9faa6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1ed4c4e8edbd179f3fc38a6653f18c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03ac378e1dd219184c4a0d722acb10f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
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2024-02-23更新
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968次组卷
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2卷引用:广东2024届高三数学新改革适应性训练三(九省联考题型)
10 . 将1,2,3,…,9这9个数填入如图所示的格子中(要求每个数都要填入,每个格子中只能填一个数),记第1行中最大的数为
,第2行中最大的数为
,第3行中最大的数为
,则
的填法共有_______ 种.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
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2024-02-23更新
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6卷引用:江苏省盐城市滨海县五汛中学2023-2024学年高三下学期高考适应性考试数学试题