名校
解题方法
1 . 已知在平行四边形
中,
,线段
交于点O,则
=( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d1be1437712a3f286efb87481bb875a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73b3c032441543354c154ee67d744abb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6f400473a46771b90649c4f08a86473.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2 . 若等边三角形
的边长为1,点
满足
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32462f685492db1cd21e30b8f21578b3.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdae2f4db4d45acd0ade29001745e69f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32462f685492db1cd21e30b8f21578b3.png)
您最近一年使用:0次
解题方法
3 . 在
中,点D在边
上,且
.记
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7289ef8051c49b4089836bac6f70b4d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea774e16993a4288d0aaa4bedb37671a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63dddaa5a2e23609635b0c3ffc37de05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdd787b4eb06ac47542b24069cb2ab57.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
4 . 在平行四边形ABCD中,E,F分别在AB,CD上,且
,AF,DE交于点P,若
,则λ=( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd36a26c4c6e2b998871fb8c16fd99c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4547a33e331636818b16c04697b6686e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2022-12-28更新
|
311次组卷
|
2卷引用:吉林省部分学校2022-2023学年高三上学期12月大联考数学试题
名校
解题方法
5 . 已知正方体
的棱长为2,
为线段
的中点,
,其中
,
,则下列选项正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2777840758e70e7dbbc18cef8f3d6d2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9545017eee79a71befee621b52c8cae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34e2e01346f60857ff635bb766802e57.png)
A.当![]() ![]() |
B.当![]() ![]() ![]() |
C.当![]() ![]() ![]() ![]() |
D.当![]() ![]() ![]() ![]() |
您最近一年使用:0次
名校
6 . 如图,在矩形
中,点
在边
上,且
,
是线段
上一动点.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/1/5f114402-0521-433d-93c1-a506b708720e.png?resizew=193)
(1)若
是线段
的中点,
,求
的值;
(2)若
,
,求解
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b79b194152945f719c21bbe5d525338d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/1/5f114402-0521-433d-93c1-a506b708720e.png?resizew=193)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e99b453e447e98d45bc6e748811dd90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fd1f0ace9ca0b79929e73af6c201c2e.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d649afbddd907f0dfec1420f02f82fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecba3d6023c376c2227978e3dc029e96.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e0987a20a5648765bce6ae78a693106.png)
您最近一年使用:0次
2022-12-01更新
|
690次组卷
|
6卷引用:江苏省盐城市滨海县五汛中学2022-2023学年高一上学期第一次月考数学试题
江苏省盐城市滨海县五汛中学2022-2023学年高一上学期第一次月考数学试题(已下线)第04讲 向量的数量积(已下线)6.2.4向量的数量积(分层作业)-【上好课】2022-2023学年高一数学同步备课系列(人教A版2019必修第二册)(已下线)6.2.4 向量的数量积2-2022-2023学年高一数学《考点·题型·技巧》精讲与精练高分突破系列(人教A版2019必修第二册)(已下线)9.2.3 向量的数量积1(已下线)6.2.4向量的数量积(精练)-【精讲精练】2022-2023学年高一数学下学期同步精讲精练(人教A版2019必修第二册)
名校
7 .
中,点D满足:
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/073b29e6ab6133cce3f7fe2adc341323.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ea34d45a0c47c80deaa13c516a0cbf2.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2022-11-28更新
|
492次组卷
|
3卷引用:四川省成都市树德中学2022-2023学年高三上学期11月阶段性测试 数学(文)试题
名校
8 . 设
为
所在平面内一点,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c274cf4326c8bfb700e26be4320637d.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2022-11-17更新
|
664次组卷
|
2卷引用:山东省实验中学2022-2023学年高三上学期12月月考数学试题
解题方法
9 . 已知向量
,
为平面内的一组基底,
,
,则“
”是“幂函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd3c988d875438535244ee2b092a779b.png)
在
上为增函数”的( )条件.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2868a9fe011f56a80c9d1a8ee4604d59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36fe4e713c108e118522a99ecd683924.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06fe44549d61056ac6a678939e034549.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1de833987c07a8e30be866a9218a2287.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1afa49dbaa99a0d7a7a6d18b3fe42091.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd3c988d875438535244ee2b092a779b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/000ba72eb98318cd386a3b6c1a557745.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/870ebc2f7aabb028024894568d749934.png)
A.充分不必要 | B.必要不充分 | C.充分必要 | D.既不充分也不必要 |
您最近一年使用:0次
2022-11-14更新
|
355次组卷
|
3卷引用:湖北省黄冈市2022-2023学年高三上学期阶段性质量抽测数学试题
名校
解题方法
10 . 设点
是
所在平面内一点,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
A.若![]() |
B.若![]() ![]() ![]() ![]() ![]() |
C.若![]() |
D.若![]() ![]() ![]() |
您最近一年使用:0次
2022-10-31更新
|
1028次组卷
|
6卷引用:湖南省永州市第一中学2022-2023学年高三上学期第二次月考数学试题