名校
1 . 已知
,
,则
的大小关系是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f6ee6f0892a7f1685bad76c650bef4b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f949a6f6f56a703a04011c7c376e2e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
名校
2 . 已知向量
,若
,则实数
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d7612eaf3d84374f6175aa150a1fe93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba87515ee89496c7c9d7c7ff5b9ccdee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-05-08更新
|
530次组卷
|
4卷引用:广东省中山市华侨中学2023-2024学年高二上学期第二次段考(期中)数学试题
广东省中山市华侨中学2023-2024学年高二上学期第二次段考(期中)数学试题(已下线)模块五 专题2 全真基础模拟2(苏教版高二期中研习)(已下线)高二 模块3 专题1 第2套 小题进阶提升练(苏教版)广东省茂名市高州中学2023-2024学年高一下学期期中考试数学试题(创新班1-3班)
3 . 甲、乙、丙、丁、戊五名同学站一排,下列结论正确的是( )
A.不同的站队方式共有![]() |
B.若甲和乙相邻,则不同的站队方式共有![]() |
C.若甲、乙、丙站一起,则不同的站队方式共有![]() |
D.甲不在两端,则不同的站队方式共有![]() |
您最近一年使用:0次
名校
解题方法
4 . 已知数列
满足
,数列
满足
.
(1)求数列
的前20项和
;
(2)求数列
的通项公式;
(3)数列
的前
项和为
,若
对任意
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8452d8b8e480beafcf380e8538055148.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/314501f06c7e4bf3112fe41ecac7be68.png)
(1)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a27c112387e56c976489fa484c0d48f.png)
(2)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
(3)数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aeafcfb6d93384e1b422969d1451a95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e97769855336d73371930df1f187875e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
您最近一年使用:0次
名校
解题方法
5 . 已知数列
前
项和
.
(1)求数列
的通项公式;
(2)数列
的前
项和
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfb168251ca39f252e3118ff11589f5c.png)
(1)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(2)数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bb172759ee2806d5b4c1d3fc17887c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
您最近一年使用:0次
名校
解题方法
6 . 如图,圆锥的轴截面
为等边三角形,
为弧
的中点,
,
分别为母线
、
的中点,则异面直线
和
所成角的大小为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274cf35acb4a1748d15c39d15a9bea7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
7 . 已知在
的展开式中,第
项与第
项的二项式系数之比是
.
(1)求展开式中的常数项,并指出是第几项;
(2)求展开式中的所有有理项;
(3)求展开式中系数绝对值最大的项.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40dcbfc659ddccd08daa2d19a07c92f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d33adb74906403b0b00fcbd9fa691d8b.png)
(1)求展开式中的常数项,并指出是第几项;
(2)求展开式中的所有有理项;
(3)求展开式中系数绝对值最大的项.
您最近一年使用:0次
2024-04-29更新
|
1205次组卷
|
3卷引用:广东省中山市一中学2023-2024学年高二下学期第一次段考数学试题
广东省中山市一中学2023-2024学年高二下学期第一次段考数学试题吉林省通化市梅河口市第五中学奥赛班2023-2024学年高二下学期4月月考数学试题(已下线)模块五 专题6 全真拔高模拟6(苏教版高二期中研习)
名校
8 . 已知
,下列数列是递增数列的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b029e3537aae0b273873236b53cde1a6.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
名校
9 . 已知函数
,定义
表示不超过
的最大整数(如
).
(1)若
在
上单调递增,求实数
的取值范围;
(2)已知当
时,
有唯一极大值
,此时令![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
. 对
,若
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53219f63721ef5731f5b1e07ffc6303d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c4f5908d6a1217e493ed7586b6964dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d54a0e82778f606d95a486835ac9f56.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/870ebc2f7aabb028024894568d749934.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)已知当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/521976f4b831d5e16926de504af83567.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8f429e3b5f3e5fa07ac120ce42aacdd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4761151a69551a7fed269fa9fe992a8b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c3b2f14e4591a5c15ef0ee73aade7bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
10 . 已知
名男大学生和
名女大学生;
(1)这
名学生站一排,
名女生相邻,共有多少种排法?
(2)将这
名学生分成
组,每组人数分别为
人、
人和
人,共有多少种分法?
(3)现从6名大学生中选4名学生分配到
,
,
三所学校支教,要求①男大学生选3名,女大学生选1名;②每所学校至少安排一名学生;③女生不能安排在
校,共有多少种安排方法?
(注:以上各问结果全部用数字作答)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8860d9787671b53b1ab68b3d526f5ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
(1)这
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f8c4c029e552954bd493b49aeab82d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
(2)将这
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f8c4c029e552954bd493b49aeab82d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8860d9787671b53b1ab68b3d526f5ca.png)
(3)现从6名大学生中选4名学生分配到
![](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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(注:以上各问结果全部用数字作答)
您最近一年使用:0次