名校
解题方法
1 . 已知集合
中含有
个元素,集合
是
的非空子集,且
,则不同的集合对
有______ 个.(用含
的代数式表示)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b52b4f24969673c863b5aff4fb6751ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4f27f84764f1cca89ce3d93fc1cf603.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b52b4f24969673c863b5aff4fb6751ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a95d247ffb2774bb7e22708b25daf7f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
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2 . 我们称
元有序实数组
为
维向量,
为该向量的范数.已知
维向量
,其中
,记范数为奇数的
的个数为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10d7b114ee11a51d3ddce0dda6a961c3.png)
__________ ;![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17174b614ddfa6ab3890c96cf5562499.png)
__________ (用含
的式子表示,
).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f1d8cb672db61735be7cbcd3d50bf9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60a79b7ec77425af9152ef0cd3dacfe9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45981f9cd45bf7b0655d3c9e461fff5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1e894b2a2d6b062551e7d16fce65940.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a4c2de3e131c6be2f5c9a69a0ec6dae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3cfeacc29e6a61c5b3b4e439c0a91df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10d7b114ee11a51d3ddce0dda6a961c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17174b614ddfa6ab3890c96cf5562499.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e97769855336d73371930df1f187875e.png)
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2023-12-22更新
|
961次组卷
|
5卷引用:辽宁省沈阳市第一二〇中学2024届高三上学期第五次质量监测数学试题
辽宁省沈阳市第一二〇中学2024届高三上学期第五次质量监测数学试题(已下线)第六章 计数原理(压轴题专练)-2023-2024学年高二数学单元速记·巧练(人教A版2019选择性必修第三册)(已下线)专题01 两个计数原理与排列组合(7类压轴题型)-【常考压轴题】2023-2024学年高二数学压轴题攻略(人教A版2019选择性必修第三册)(已下线)压轴题平面向量与解三角形新定义题(九省联考第19题模式)练黑龙江省双鸭山市第一中学2023-2024学年高二下学期开学考试数学试题
解题方法
3 . 若多项式
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32abcdc0b7bf9eea80ec6a75f9e4101d.png)
______ ;![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4d3f884ec099ec5700ad255c0259ad0.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e41a8cd921911285cd9104054bb41b03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32abcdc0b7bf9eea80ec6a75f9e4101d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4d3f884ec099ec5700ad255c0259ad0.png)
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名校
4 . 设
,若
,
,则不同的有序集合组
的总数是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77eba8cd7b562a514c52a1bf0d7b2287.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2085b18c19e2227fb7aeb9ace97a0558.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98c8b05968c8836b26541e7c25ea8fed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c199451630db4579cde45f8d316765de.png)
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2021-09-02更新
|
898次组卷
|
3卷引用:上海市复旦大学附属中学2020-2021学年高二下学期期中数学试题
5 . 已知当|
时,有
,根据以上信息,若对任意
都有
则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d211c5a622d0be3b39931d814f9a683.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17df70d1a676fed1662f3dc028f48150.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dcc5de363ebda05f15b6c784a2b8e24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b897bbfe506d0ff97fa40d12013a026.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/098cbb44803defccd8b2b6ab58eecb2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d211c5a622d0be3b39931d814f9a683.png)
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2020-05-04更新
|
1225次组卷
|
4卷引用:上海市华东师范大学第二附属中学2019-2020学年高二下学期(4月)月考数学试题
(已下线)上海市华东师范大学第二附属中学2019-2020学年高二下学期(4月)月考数学试题(已下线)专题4.6 排列组合和二项式定理【压轴题型专项训练】-2020-2021学年高二数学下学期期末专项复习(沪教版)(已下线)第6章 计数原理(新文化与压轴30题专练)2021-2022学年高二数学下学期考试满分全攻略(人教A版2019选修第二册+第三册)湖北省部分县市区省级示范高中温德克英协作体2023-2024学年高二上学期期末综合性调研考试数学试题
名校
6 . 由“无穷等比数列各项的和”可知,当
时,有
,若对于任意的
,都有
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d211c5a622d0be3b39931d814f9a683.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c14841c1af8f8b9e4f3e74f7a9427a2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08c234a5386cf0e8255d8bff1464fa3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a69ad07dfc99733c2456579518f21ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b60e6c27e3cede2411c4222b325800e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d211c5a622d0be3b39931d814f9a683.png)
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2020-01-09更新
|
1093次组卷
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3卷引用:2018年上海市延安中学高考三模数学试题
7 . 已知数列
、
的通项公式分别是
,
,把数列
、
的公共项从小到大排列成新数列
,那么数列
的第
项是
中的第________ 项
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07404ab51f404f9411f79bd4f1fde654.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7b8d543c7d503fc1073503fc1d52faa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac7f82f00fe6163833431241820687ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6feaab0346ed804363d0c29581fa426.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07404ab51f404f9411f79bd4f1fde654.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7b8d543c7d503fc1073503fc1d52faa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad3363b34c30552a3dc76b2f66fe5288.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad3363b34c30552a3dc76b2f66fe5288.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7b8d543c7d503fc1073503fc1d52faa.png)
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8 . 已知p,q是两个不相等的正整数,且
,则
等于______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/699e55c211a6e091cc7a9d2cde3ed981.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc4b68c9c80551209e87c18bddbb7f26.png)
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名校
9 . 若二项式![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab72d5be078369c12193b54db50fbe71.png)
展开式中含有常数项,则
的最小取值是________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab72d5be078369c12193b54db50fbe71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69d307ec71820b6536453fbdb5069da3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
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10 . 复数
(
为虚数单位)为纯虚数,则复数
的模为___ .已知
的展开式中没有常数项,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3cb8d72bb2e281b943b3b430138ef7.png)
_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c61aec19ff1181bcef9271f4458b9887.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/904e5e669d01223cda197aff679d81f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3eba1690bf72b364b20ef473d5148081.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/746da87b46009ac1370e956809bcc373.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06d97f852e19e6bef6225c3a3e83f062.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3cb8d72bb2e281b943b3b430138ef7.png)
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2016-12-05更新
|
1412次组卷
|
3卷引用:2017届浙江温州中学高三10月高考模拟数学试卷
2017届浙江温州中学高三10月高考模拟数学试卷浙江省丽水四校联考2019-2020学年高三9月阶段性考试数学试题(已下线)专题12 复数-【备战高考】2021年高三数学高考复习刷题宝典(填空题专练)