1 . 已知正方体
的棱长为
,
是空间中任意一点.给出下列四个结论:
①若点
在线段
上运动,则总有
;
②若点
在线段
上运动,则三棱锥
体积为定值;
③若点
在线段
上运动,则直线
与平面
所成角为定值;
④若点
满足![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e8ade6f1e13f052a244d6de3d417c0b.png)
,则过点
,
,
三点的正方体截面面积的取值范围为
.
其中所有正确结论的序号为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
①若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f1f229274a6e17977cc047814212589.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/945efbd2a73b8f37b115b56f4f3ea937.png)
②若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83c09eec4e14a861af83d7828797d176.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cecf8866f73b9bc9a25727499c7a09e.png)
③若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e26d9636ad77369535852c6e4493446a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63a253c7fdf589ee3dece13d5b5b5732.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da7977ab975efa6411cc17de39be70d9.png)
④若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e8ade6f1e13f052a244d6de3d417c0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1227326fcce4335620162c671d517459.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46817fa5480cf4bfd4a3d60cf8a9e1a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba078bebaecfe920a5e1da7c843afe87.png)
其中所有正确结论的序号为
您最近一年使用:0次
2 . 在三棱锥
中,满足
,
,给出下列结论:
①
; ②若
是锐角,则
;
③若
是钝角,则
是钝角; ④若
且
,则
是锐角.
其中正确结论的序号为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/891579e7c231584a8e16b8eeff79888e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9060f03b9ee41d70d135b1e1a8902ce9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35333abd7f02d663d15251bc5cbbf921.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4668ef024c694c0517c46af5e563495.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cbce11aa19b8bd2bf6ee5a834e005de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5695ba6ee3f7466b4b32c2e9340abf1.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cbce11aa19b8bd2bf6ee5a834e005de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a72dfbf0138a611174c36ce077e0c47.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/149b1f4a7300425e6682e41d5f095377.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1f8fcbe6d923d1f5ba46a695756eb37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a72dfbf0138a611174c36ce077e0c47.png)
其中正确结论的序号为( )
A.①②④ | B.①④ | C.②③ | D.②④ |
您最近一年使用:0次
名校
3 . 已知全集
,非空集合
. 若在平面直角坐标系
中,对
中的任意点
,与
关于
轴、
轴以及直线
对称的点也均在
中,则以下命题:
①若
,则
;
②若
,则S中至少有8个元素;
③若
,则S中元素的个数可以为奇数;
④若
,则
.
其中正确命题的序号为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad79f30410cb52f68d9dba9c5c5b7ce2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c7d5e33f296db5c92f103ec5b8d851d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d77f5191798242b7b9b88a75e17e4425.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aada9a837b764c886a451003c590d65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c46dee9a7ce99bbcba531c2ef1d6f154.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2070176ac1c57ba86235db68f1be3ddd.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d91c45170b5d2c3a31ce773de80e727c.png)
④若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dddb2d01c331c86930972e4d6918e288.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6be5b2a6c8d41a82f0b0c11e0d9d1df9.png)
其中正确命题的序号为
您最近一年使用:0次
2023-05-05更新
|
838次组卷
|
5卷引用:北京市陈经纶中学2022-2023学年高二下学期数学期中诊断试题
北京市陈经纶中学2022-2023学年高二下学期数学期中诊断试题(已下线)高一上学期第一次月考填空题压轴题50题专练-举一反三系列(已下线)高一上学期期中考试填空题压轴题50题专练-举一反三系列北京市清华志清中学2023-2024学年高一上学期第一次月考练习数学试题上海市东华大学附属奉贤致远中学2024届高三上学期10月教学评估数学试题
解题方法
4 . 在棱长为1的正方体
中,点
满足
,其中
,
.给出下列四个结论:
①所有满足条件的点
组成的区域面积为1;
②当
时,三棱锥
的体积为定值;
③当
时,点
到
距离的最小值为1;
④当
时,有且仅有一个点
,使得
平面
.
则所有正确结论的序号为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac6b545127bd51036a5a7b0d3cd5b320.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cee72261f6901e62dfd0ffe547406544.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34e2e01346f60857ff635bb766802e57.png)
①所有满足条件的点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
②当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2753dc1c83d54044b89e628a7eb247f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5aab98011d732d4094e4e881b0bd2bd6.png)
③当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/500d68f2678989a5ce7431cfd51b019d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e26d9636ad77369535852c6e4493446a.png)
④当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76819195cffab10d81638dd673f3af98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e16f65c3a318220c2f5baac171bbb61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4704cbf3d2de2f06a6ee29b3c252109.png)
则所有正确结论的序号为
您最近一年使用:0次
5 . 对长期吃含三聚氰胺的婴幼儿奶粉与患肾结石这两个分类变量的计算中,下列说法正确的是
A.若![]() ![]() ![]() ![]() ![]() |
B.从独立性检验可知有![]() ![]() |
C.若从统计量中求出有![]() ![]() |
D.以上三种说法都不正确 |
您最近一年使用:0次
2019-10-13更新
|
382次组卷
|
2卷引用:辽宁省抚顺市第十中学2018-2019学年高二下学期期中考试数学(文)试题
名校
解题方法
6 . 牛顿迭代法(Newton's method)又称牛顿–拉夫逊方法(Newton–Raphsonmethod),是牛顿在17世纪提出的一种近似求方程根的方法.如图,设
是
的根,选取
作为
初始近似值,过点
作曲线
的切线
,
与
轴的交点的横坐标
(
),称
是
的一次近似值,过点
作曲线
的切线,则该切线与
轴的交点的横坐标为
,称
是
的二次近似值.重复以上过程,直到
的近似值足够小,即把
作为
的近似解.设
,
,
,
,
构成数列
.对于下列结论:
(
);
②
(
);
③
;
④
(
).
其中正确结论的序号为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bc05f41215f9894e11d1df0465751a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8ec28f6f007c118c4fb3dc2e0531ca1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/015740ce0b7022cf0a5503747c020999.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bc05f41215f9894e11d1df0465751a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43db00e106c7d08a76a7ba71ca5e63d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89f4eff3125c5e63a994ba1ad5be58e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/453cee2ac9dfd92e2edfa0b4c4004ba2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b41800503c5e7a04a54819c596aa8fd1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b12a4eecd249473a831d0ee472470240.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bc05f41215f9894e11d1df0465751a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d27c0ab3e2d7698f082854bafe4174dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89f4eff3125c5e63a994ba1ad5be58e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9565876bc50bceb63e5793c8c67a9032.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9565876bc50bceb63e5793c8c67a9032.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bc05f41215f9894e11d1df0465751a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bc05f41215f9894e11d1df0465751a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3282e5fde4ae53fcb1bb072a685304c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8ec28f6f007c118c4fb3dc2e0531ca1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/291c25fc6a69d6d0ccfb8d839b9b4462.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daa5e9bd516f6282483b92cfe6074623.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3282e5fde4ae53fcb1bb072a685304c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e976c0663fa749ca749f99842d21ca03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69004a81950ee4b3a23dd3c0748be821.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0704f453b2de48d36911f7db496bbf82.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38e2dc498840932eb1f8e359e4e3b931.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0704f453b2de48d36911f7db496bbf82.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac12f7f9467c2d446c2d83df051d6f85.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fa385ab812298518070dff2a4b8057d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0704f453b2de48d36911f7db496bbf82.png)
其中正确结论的序号为
您最近一年使用:0次
2023-05-23更新
|
825次组卷
|
10卷引用:河南省郑州市2019-2020学年高二(下)期中数学(文科)试题
河南省郑州市2019-2020学年高二(下)期中数学(文科)试题河南省郑州市2019-2020学年高二下学期阶段性学业检测题(5月) 数学(文)试题2020届宁夏银川景博中学高三下学期第一次模拟数学(文)试题(已下线)学科网3月第一次在线大联考(新课标Ⅰ)数学(文科)试题(已下线)文科数学-学科网3月第一次在线大联考(新课标Ⅰ卷)(已下线)专题01 利用构造或猜想,解决数列递推问题 (第三篇)-2020高考数学压轴题命题区间探究与突破江西省萍乡市芦溪中学2022届高三上学期开学考试数学(理)试题(已下线)第三篇 数列、排列与组合 专题1 建立递推关系求通项公式 微点2 建立递推关系求通项公式综合训练(已下线)第01讲 导数的概念与运算(三大题型)(讲义)(已下线)【一题多变】零点估计 牛顿切线
7 . 下列说法中,①方程
表示一条直线;
②方程
表示的曲线为椭圆;
③方程
表示的曲线为双曲线;
④方程
表示的曲线为圆心在
轴上的一个圆.
以上叙述正确的有____________ (写出所有序号)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7feaf9f7bf718fca00d5cb2d6e9c0e05.png)
②方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2b7724704df2f30fbcf31fc86a7daee.png)
③方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c1506041d21834590e2eb883111118d.png)
④方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61c9a59c7ebbab2d1f9d23e18e19e5eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
以上叙述正确的有
您最近一年使用:0次
2022-11-10更新
|
522次组卷
|
2卷引用:北京市东城区汇文中学2022-2023学年高二上学期期中数学试题
名校
8 . 如图是导函数
的图象,现有四种说法:
①
在
上是增函数;
②
是
的极小值点;
③
在
上是减函数,在
上是增函数;
④
是
的极小值点;
以上正确的序号为( )
![](https://img.xkw.com/dksih/QBM/2020/7/25/2513720647131136/2515094634151936/STEM/a0dd855b6c664a448267dd323872fdfe.png?resizew=167)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20d0c99ddd028f0bc3b1d64924ff0f61.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2157b41548f02a86a438e63238719841.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99c6875d552e9fff3c7d655f3a59b166.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5511a368692de27c58ec48ce968de4a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2c7b74fd862d7e3f35e40ae1f626c4c.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/707ea658f3a9359f5740d5aab48f7948.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
以上正确的序号为( )
![](https://img.xkw.com/dksih/QBM/2020/7/25/2513720647131136/2515094634151936/STEM/a0dd855b6c664a448267dd323872fdfe.png?resizew=167)
A.①② | B.②③ | C.③④ | D.②④ |
您最近一年使用:0次
9 . ①一段演绎推理的“三段论”是这样的:对于可导函数
,如果
,那
为函数
的极值点.因为
满足
,所以
是函数
的极值点.此三段论的结论错误是因为大前提错误;
②在直角
中,若
,
,
,则
外接圆半径为
.
运用此类比推理,若一个三棱锥的三条侧棱两两垂直,且长度分别为
、
、
,则该三棱锥外接球的半径为
.
以上命题不正确的是___________ (填序号).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/055562d6b8e8114adca3206f3bb5f253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11abb76da45ffa52b47c3a6b9a03ac7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3daad3a31a3597f75fa109736ed2ebf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aae17aeafc0a40b66bf6f65db99c237e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb45f673c56a289ea78831c9237e8d20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3daad3a31a3597f75fa109736ed2ebf.png)
②在直角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a69550d878381f6e8fb436e88638f070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df81cda12d7601d58b1d9c7c180c4d66.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e781a2489271bfd1597cba1bb6f5887.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/817d63b092387c04b941f113a014a70d.png)
运用此类比推理,若一个三棱锥的三条侧棱两两垂直,且长度分别为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7567c05cad02091cab49753624840450.png)
以上命题不正确的是
您最近一年使用:0次
2022-05-07更新
|
112次组卷
|
2卷引用:陕西省西安市鄠邑区2021-2022学年高二下学期期中理科数学试题
解题方法
10 . 给出下列几个命题:
①方向相反的两个向量是相反向量;
②若
,则
或
;
③对于任何向量
,
,必有
.
其中正确命题的序号为________ .
①方向相反的两个向量是相反向量;
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35e9616e55c8107822a14b0c9be94497.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/778542d99ab19e2ecc0c7ef75161f133.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cbed773a45c19a2cc20113b18d727de.png)
③对于任何向量
![](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/6e679e5e4e54583e6c429ffd5a93cd31.png)
其中正确命题的序号为
您最近一年使用:0次
2023-07-04更新
|
249次组卷
|
4卷引用:高二上期中真题精选(压轴60题30个考点专练)【考题猜想】-2023-2024学年高二数学上学期期中考点大串讲(人教A版2019选择性必修第一册)
(已下线)高二上期中真题精选(压轴60题30个考点专练)【考题猜想】-2023-2024学年高二数学上学期期中考点大串讲(人教A版2019选择性必修第一册)3.2.1从平面向量到空间向量 空间向量的运算(一)(习题)-2021-2022学年高二上学期数学北师大版(2019)选择性必修第一册(已下线)专题01 空间向量的线性运算(考点清单)-2023-2024学年高二数学上学期期中考点大串讲(人教A版2019选择性必修第一册)(已下线)专题01 空间向量及其运算10种常见考法归类(1)