名校
1 .
的展开式中常数项为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2675a7b655dc324be29b3f6be0d06cc9.png)
您最近一年使用:0次
名校
2 . 已知三棱锥
中,
为等边三角形,
,
,
,
,则三棱锥的外接球的半径为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c025ee3317be1099b7bf03a11e37ed4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/822ba132ca9dd0d4a050659aef3c9b26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a15a004f7d47ed595f063e60075223a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/967f74b8993c61634ceed95edca05ffd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aff008bf9d674fee28e3b4514d0b1c83.png)
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名校
解题方法
3 . 设
,
,
为虚数单位,若
是关于
的二次方程
一个虚根,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/934d37c81b2266c7b86bcc11afaf5f91.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb2bfd46447bdc5f025323d3cf5c008c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/616097c2b64a0a2777aa38abc70d0e92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dffd64316ab5cd086e8b8dc8a5bfe994.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/934d37c81b2266c7b86bcc11afaf5f91.png)
您最近一年使用:0次
7日内更新
|
304次组卷
|
2卷引用:福建省部分优质高中2023-2024学年高一下学期第二次阶段性检测数学试题
名校
解题方法
4 . 命题“
,满足不等式
”是假命题,则
的取值范围为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2cd15d9a85f61cf07ac4a441adbb372.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/902ba00abbde7487cbb44c3bc6ec5897.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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5 . 设集合
为含有
个元素的有限集.若集合
的
个子集
满足以下3个条件:
①
均非空;②
中任意两个集合交集为空集;③
.则称
为集合
的一个
阶分拆.
若
,
为
的2阶分拆,集合
所有元素的平均值为
,集合
所有元素的平均值为
,则
的最小值等于______ ,最大值等于______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1835aeec021f7386dd12faf0b45eced5.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1835aeec021f7386dd12faf0b45eced5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1835aeec021f7386dd12faf0b45eced5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64753bc74df41ce9f28907ff3e087e89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1835aeec021f7386dd12faf0b45eced5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7ed2c8931249ee7b8cb6ed287cbff0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00442d96d695db2c58bf1fb7165fca94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3b9e816b14051f785aa5aae72b8eed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4892ba321f70f83dc5d3a24d904fba9f.png)
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6 . 已知复数
满足
(
是虚数单位),则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7e0aeeb125cfb42e33094594d4381f5.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e1670bf25e31eb1e929b583872a3981.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7e0aeeb125cfb42e33094594d4381f5.png)
您最近一年使用:0次
名校
解题方法
7 . 在
中,角A,B,C的对边分别为
,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01a9d11c1fdda8f3bb2ef921bc75f816.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5916bb5fa3aae878beb7d89526d60a6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01a9d11c1fdda8f3bb2ef921bc75f816.png)
您最近一年使用:0次
2024-06-08更新
|
1223次组卷
|
5卷引用:福建省福州市闽侯县第一中学2023-2024学年高一下学期第二次月考(5月)数学试题
名校
8 . 法国著名的数学家棣莫弗提出了公式:
.据此公式,复数
的虚部为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd689682c3a895937b4ea0525288afcd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1343cc30968aa7ea67d8b2090e774505.png)
您最近一年使用:0次
2024-06-08更新
|
271次组卷
|
3卷引用:福建省福州市闽侯县第一中学2023-2024学年高一下学期第二次月考(5月)数学试题
福建省福州市闽侯县第一中学2023-2024学年高一下学期第二次月考(5月)数学试题福建省莆田第一中学2023-2024学年高一下学期期中考试数学试题(已下线)10.3 复数的三角形式及其运算-【帮课堂】(人教B版2019必修第四册)
名校
9 . 已知函数
在区间
上单调,其中
为正整数,
,且
.则
图象的一个对称中心是______ ;若
,则
的值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a067e86ae162185a04bdf862b40cd255.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdb95154f017468688350072eb2e5d13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1653ead1af92751a1f2fd6b021fbdac0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53bd7c5c2e43bb9603a4c3b95583359f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0104ea4d64273d4180b51ab28973d1b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
您最近一年使用:0次
名校
解题方法
10 . 已知随机变量
服从正态分布
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/552595efb8eb89a970a1abbb0c955cca.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b204a6f61bd3e1085c3d50720c109561.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fe0171a0d4874966a49a88a702f25b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/552595efb8eb89a970a1abbb0c955cca.png)
您最近一年使用:0次