1 . 设
,
,
,…,
是1,2,3,…,7的一个排列.且满足
,则
的最大值是_____
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72adb45c60c2f63b46e65ff787302bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e88093a749c0d46e0ee931ecfaff925.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c1ccc6c74b8754e9bcbb3f39a11b6f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fd71bc7e6668f90f259ad0b06dd60c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0e0e6fedc8293427cba17ac891ee35d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c115899f562d0f638d6f0f904c14d89.png)
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2 . 已知集合
,且
,则实数
的取值范围是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b455ee5305faa2a2b14239a7ee02fb64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff109d3fadee141f93b199a5a72bc161.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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7日内更新
|
241次组卷
|
3卷引用:河南省郑州市中复教育2023-2024学年高三下学期5月月考数学试卷
河南省郑州市中复教育2023-2024学年高三下学期5月月考数学试卷广西南宁市第三十六中学2024届高三下学期适应性训练数学试题(已下线)高二数学期末模拟试卷01【好题汇编】-备战2023-2024学年高二数学下学期期末真题分类汇编(北师大版2019选择性必修第二册)
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3 . 设
,记
为
三个数中最大的数,则
的最小值_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b67784e0c5b774a658b3c12fe05800df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc086be29684f07f3777e7d8fc62e038.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
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4 . 已知
,则
的值为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e923760168689ca3369df6a2ae8699a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a367b21eea1088ab0174967f6d989421.png)
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2024-06-12更新
|
942次组卷
|
5卷引用:河南省郑州市2024届高三第三次质量预测数学试题
河南省郑州市2024届高三第三次质量预测数学试题江西省南昌市第十九中学2024届高三下学期第五次模拟考试数学试卷(已下线)四川省成都市外国语学校2024届高三高考模拟(五)理科数学试题天津市第三中学2023-2024学年高二下学期6月月考数学试题河南省许昌市许昌高级中学2024届高三下学期三模数学试题
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5 . 抛掷一枚不均匀的硬币,正面向上的概率为
,反面向上的概率为
,记
次抛掷后得到偶数次正面向上的概率为
,则数列
的通项公式![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3f7fda69e2b32b9ced2239f915fa59b.png)
____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56d266a04f3dc7483eddbc26c5e487db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b2a698891d42c70b597f0da4f215f09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3f7fda69e2b32b9ced2239f915fa59b.png)
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2024-06-12更新
|
795次组卷
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5卷引用:河南省郑州市2024届高三第三次质量预测数学试题
河南省郑州市2024届高三第三次质量预测数学试题(已下线)第四套 艺体生新高考全真模拟 (三模重组卷)(已下线)第4套 新高考全真模拟卷(三模重组)河南省许昌市许昌高级中学2024届高三下学期三模数学试题云南省昆明市第三中学2024届高三下学期高考考前检测数学试卷
6 . 已知
是关于
的实系数方程
的两个虚根,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/857b75e47987bdbb91104c01a164ad00.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ce5f1be547bd7e6852875d3aa4ad77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/857b75e47987bdbb91104c01a164ad00.png)
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2024-06-08更新
|
323次组卷
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2卷引用:河南省郑州市郑中国际学校2023-2024学年高一下学期第二次月考(5月)数学试题
7 . 在平行四边形
中,
,
,用
,
表示向量
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d89791b8d677a17b179d6f265b84fcce.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7b9d8a08fc52c31cc1a7f527d18b55c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/184359fe3cadc363cf4ebe586c2b3db4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2f4b1178f68bd147d1a2a6acd04435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94075193c11fe43f2396cff5a485054.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dc3c7d64ba3f82cb0853d6f674a1f44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d89791b8d677a17b179d6f265b84fcce.png)
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8 . 某地需要经过一座山两侧的
两点修建一条穿山隧道.工程人员先选取直线
上的三点
,在隧道
正上方的山顶
处测得
处的俯角为
,
处的俯角为
,
处的俯角为
,且测得
,
,
,则拟修建的隧道
的长为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91e1e4115d78e625e9e0f47cdade3286.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76c12e76fbd84eeec721386bd3b04cc4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79a97bb4dcfab4ec7539bc783d563c49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6b86c22b670a8e9f3896f9e8883fbbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8686e04d2e83eeec0f278419caa535c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/371ed1dc33ec2969f20cb0ff1d652237.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe34607b65d5071186acd395f176eab4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
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解题方法
9 . 已知复数
,
,并且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8b710ef8c39d3ba74e032a8b7859184.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ade65f4eaf30887ba87b0310700fb64a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7d88fb1d50ed3bb45a8d62180196da3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9de59a6da1ee210ccf04651ae53275dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8b710ef8c39d3ba74e032a8b7859184.png)
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10 . 已知矩形
,
,
,沿
将
折起成
.若点
在平面
上的射影落在
内部,则四面体
的体积取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f4aca5534bce25acaeb7379deed8f8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab2a2834d80ff574e79eae8ca8d4e94f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3ea25ef38e4afa8f75ffd0842890289.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7c314398e26ffc7164b82946eeb4273.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca67a5b8f69507c8b80379e86f90a8ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/661ff55b5ebbadfb600989af3cfce2fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc84671fd0f27587260cdbcc31e6d483.png)
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