名校
1 . 已知向量
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56ad4246e6e505b7b5b943e8ab2034b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
您最近一年使用:0次
2 . 若四边形
满足
,且
,则此四边形的形状为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a9b384527ab8a708bfdf69b9bc96f88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e821ded35e5302aa0c732b3001b37bb0.png)
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3 . 在
中,若
,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7112e7ccb1eb90facfa5182ea763970a.png)
________ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ccd4162c7d09f970cb77cadacdbe521.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6de1d395e6c48c0676a1488a299479d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8120119749d4bc28067e73fca7d46cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d32220fd969663f42cd619f8cc8b355c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7112e7ccb1eb90facfa5182ea763970a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ccd4162c7d09f970cb77cadacdbe521.png)
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4 . 随机变量
的取值为0,1,2,分布列如图:若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1c0f363e40a7bcb1a705f74bf08e871.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b734e8f1546481e3eb4976008a045de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/006c079866a96892cf86597b47afad44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1c0f363e40a7bcb1a705f74bf08e871.png)
![]() | 0 | 1 | 2 |
![]() | ![]() | ![]() | ![]() |
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5 . 已知向量
,
为单位向量,
,则向量
的坐标为_____ .(写出一个即可)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81f4dcf415977dea53f52a85b6b82136.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e76bd8081f99c70a8bc580021baa366.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
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6 . 已知函数
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c69303bd9eccb3ccb55c9e4cd03a8a3.png)
______ ;若将
的图象向左平移
个单位长度后得到
的图象,则函数
的图象的一个对称中心为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45000fc305adab379d961b77463c21d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c69303bd9eccb3ccb55c9e4cd03a8a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5aeb076bad84890e24dbdc945ad543cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
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7 . 已知复数
满足
,则
的虚部为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7f49c6878660ae6eafa197c157632f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
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8 . 已知非零向量
,
,
满足:
,
,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/498e31243c96cee074159c14530ce929.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/d366d8fbb7258ee051f49977441e14a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2cc1f1ef9ad32eef62aefa4c3fc3d6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15f9df42552e714a5212708a04e160f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/156cf6cd7ae0948944d53a5f3eb53bb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93f05d10b1b3ab120364d061534e150b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/498e31243c96cee074159c14530ce929.png)
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解题方法
9 . 若
是纯虚数,则实数a的值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11124dac03c00be8860905c6093abf6b.png)
您最近一年使用:0次
7日内更新
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693次组卷
|
2卷引用:北京市中国人民大学附属中学2024届高三下学期5月热身练习数学试题(三模)
名校
10 . 已知随机变量
,
,且
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df5be1440d099f464ef46dee39de6010.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38d0088531480beef86ec5a94a67edf9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7cb9ddc3c0280ff97079c6fa07a5c3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/269868d6181db77628cfada89a0adf44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98f9a761c10e3757dbea1b1f4d4e42ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df5be1440d099f464ef46dee39de6010.png)
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