1 . 若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab03b7abf2969c0fa26c93335b110d59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e304cf018473bb54edb166fcd6502b.png)
A.1 | B.![]() | C.2 | D.![]() |
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昨日更新
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1233次组卷
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3卷引用:山东省济南市2024届高三下学期高考针对性训练(5月模拟)数学试题
名校
解题方法
2 . 如图,在三棱锥
中,
均为等边三角形,
为
的中点,
为
的中点,
平面
.
;
(2)求二面角
的正弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/891579e7c231584a8e16b8eeff79888e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c96f3b6249dc94bb364fb0625d2b98e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ce03b310edce42191f9fa75a1c909ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca67a5b8f69507c8b80379e86f90a8ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2b34233772c4c26d6669499d9b1f15a.png)
(2)求二面角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c2898853a3396f0878af9eac934416d.png)
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3 . 某景点工作人员记录了国庆假期七天该景点接待的旅游团数量.已知这组数据均为整数,中位数为18,唯一众数为20,极差为5,则( )
A.该组数据的第80百分位数是20 |
B.该组数据的平均数大于18 |
C.该组数据中最大数字为20 |
D.将该组数据从小到大排列,第二个数字是17 |
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4 . 已知方程
在复数范围内有
个根,且这
个根在复平面内对应的点
等分单位圆.下列复数是方程
的根的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6e2f0a8449d19316d84ae6e5bc0c05c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c66e1ccd6d52d70f4a68e97dd7615600.png)
A.1 | B.![]() | C.![]() | D.![]() |
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5 . 将一个圆形纸片裁成两个扇形,再分别卷成甲、乙两个圆锥的侧面,甲、乙两个圆锥的侧面积分别为
和
,体积分别为
和
.若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f98a2d9c0ed32f1d91a0621481a43b9.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68c7bb6fb4b26508ec5f6f62ee846cb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c9e60e949f1626a58a8c0eb756f580d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b29d9d4c81c9a02c4060a8685312adb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2f70d9200b02ae482d0cd63bbbe10e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0264efe98524ae4cf13d48efffeb4a58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f98a2d9c0ed32f1d91a0621481a43b9.png)
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6 . 质点
和
在以坐标原点
为圆心,半径为1的圆
上逆时针作匀速圆周运动,同时出发.
的角速度大小为
,起点为圆
与
轴正半轴的交点;
的角速度大小为
,起点为圆
与射线
的交点.则当
与
第2024次重合时,
的坐标为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0513d14384fa76fd284f63ff4d8f08bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5dd026aad29668faffc99cd5f3e0930b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/107ecaae347fbb48666623e0f8fda9dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
7 . 如图,已知平面四边形
中,
.
四点共圆,求
;
(2)求四边形
面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bdba13cd95378932553b7df07c15d40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c82a10b4f0c9323d726804c89dd9548.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
(2)求四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
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解题方法
8 . 已知函数
.
(1)当
时,求曲线
在点
处的切线方程;
(2)设
是
的两个极值点,
是
的一个零点,且
.是否存在实数
,使得
按某种顺序排列后构成等差数列?若存在,求
;若不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/763bf20d6c376dbf15f344294ea2cdea.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb0d7fbcc396c7b646c31f60e32d9e76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ea9824af71c9da5db5a00ec06063024.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/291c25fc6a69d6d0ccfb8d839b9b4462.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b202920f8532a7a3e9f1d7775a9361e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/365b38a7689a8eede6820cd6f1fe952b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8ccd22fd0ca1a8e1468329284f91b6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/365b38a7689a8eede6820cd6f1fe952b.png)
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解题方法
9 . 已知正方体
分别是
的中点,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abe2d7f4c9ae3d6c991540bca0af97c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8a6f5eb873a3dfc1be1b4042dd07d61.png)
A.![]() ![]() ![]() ![]() ![]() |
B.![]() ![]() ![]() ![]() |
C.![]() ![]() ![]() |
D.![]() ![]() |
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10 . 如图,四棱台
的底面为菱形,
,点
为
中点,
.
平面
;
(2)若
,求平面
与平面
夹角的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bc7744cda9413c8447154f95681f874.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c75d116d71d8c1980764325c9ac3ac18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ddbb0422a136f45653c8c369f2d75fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0b006143c991165cd8c9f6fe11831b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45d365ce9f4bacc4d4bb15dbdb5306a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
您最近一年使用:0次
2024-06-11更新
|
1415次组卷
|
6卷引用:山东省济南市2024届高三下学期5月适应性考试(三模)数学试题
(已下线)山东省济南市2024届高三下学期5月适应性考试(三模)数学试题山东省枣庄市2024届高三三调数学试题山东省青岛市2024届高三下学期第二次适应性检测数学试题(已下线)第三套 艺体生新高考全真模拟 (三模重组卷)湖北省武汉市汉铁高级中学2024届高考数学考前临门一脚试卷福建省厦门市厦门外国语学校2024届高三下学期模拟考试数学试题