名校
1 . 在
中,
为
的外心,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fd64a51dc0617e5e1e5dd61f80bbe35.png)
__________ .若
,则
的值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6da2a53a95d2d5b19fa91cf04f5052cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fd64a51dc0617e5e1e5dd61f80bbe35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6f6aebbd26b65f4f1395a8f31129a6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/febf7413b35cf2889fdb57a6b519087c.png)
您最近一年使用:0次
2023-06-13更新
|
236次组卷
|
3卷引用:福建省厦门第二中学2022-2023学年高一下学期5月阶段性考试数学试题
名校
解题方法
2 . 已知向量
满足
分别是线段
的中点,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/062c160660228a8636bf6ca10a71ad3e.png)
______ ;若点
为
上的动点,且
,则
的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/721efceb5495b22c8d3da8e0911eef86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ebc0ca5058cc10f21011114d11334aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/481e426224c3a3ce9bb5a731eed81c40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fc71e889289f1f4d126e9c2ab861f22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/062c160660228a8636bf6ca10a71ad3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50f2c98c84895030f3dffa92cb25ad20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/273b63fc788388fab8b4f685fdb83230.png)
您最近一年使用:0次
2022-12-09更新
|
511次组卷
|
2卷引用:天津市滨海新区塘沽第一中学2022-2023学年高三上学期第三次月考数学试题
名校
3 . 已知平行四边形
的面积为
,
,
,
为线段
的中点,若
为线段
上的一点,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5085e3cdef9ea6c564e079f745d6fdb.png)
________ ;
的值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/604d037b88148502a5608e0285c76f35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71e90f9f4e44173888a54c624852064a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f923f6b974256036bfc51386b016ad6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e284edfc390b322d0104817bd9aaa992.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5085e3cdef9ea6c564e079f745d6fdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd6d8fe179d9f907f3106c694c4dffb1.png)
您最近一年使用:0次
2020-07-31更新
|
1126次组卷
|
4卷引用:天津市第三中学2021届高三下学期2月月考数学试题
天津市第三中学2021届高三下学期2月月考数学试题天津市和平区耀华中学2020届高考一模数学试题(已下线)专题06 平面向量 -备战2021年高考理科数学之纠错笔记系列天津市实验中学滨海学校2020-2021学年高一下学期期中数学试题
名校
4 . 图1是一个正六边形蜂窝状置物架,它设计简约、美化空间,深受大众喜爱,图2是从置物架图中抽象出的几何图形的示意图.如图2,若
,则
的值为______ ;若正六边形的边长均为2,点
是折线
上的动点(含端点),则
的取值范围为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/195b1939a03b60de8d4edc668ee56ef6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/febf7413b35cf2889fdb57a6b519087c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f516398cc5bc15bf1b91229d49a973fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e83b9f01e806bf74042ba41b26423022.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/15/e1a81166-0459-4065-9552-70cd3aa6b213.png?resizew=386)
您最近一年使用:0次
2023-06-12更新
|
214次组卷
|
3卷引用:天津市第七中学2023-2024学年高一下学期3月月考数学试卷
名校
解题方法
5 . 在
中,点
分别在边
上,
,若
交于点
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf4bcde5a6cb5d00a24fdeab409d6484.png)
__________ ;当
时,
的面积为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91e1e4115d78e625e9e0f47cdade3286.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cca04b2a2b61d62a809776670a60c09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee51da6f7594df55c2392c49ba478cba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6b0a3fa475b24f57ecd79c681259561.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e105760638b22b26ff8bec4354255e4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf4bcde5a6cb5d00a24fdeab409d6484.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d540c573a17490987b66aa76d135432f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43bcf9f1acfec083a5478b868efb9c2a.png)
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2024-06-10更新
|
232次组卷
|
2卷引用:江西师范大学附属中学2023-2024学年高一下学期5月数学素养测试卷
名校
解题方法
6 . 已知向量
,
,
在坐标纸中的位置如图所示,若每个小方格的边长为1,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67d2e992f895a08d8cb326e625f1fd80.png)
____________ ;![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba3c6bd21d9c27a68b970f446f04d6df.png)
____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73a0b19e69be46452425916a0fcb49c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67d2e992f895a08d8cb326e625f1fd80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba3c6bd21d9c27a68b970f446f04d6df.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/7/52449dfe-b63a-4b30-9c7b-6e553387cf5b.png?resizew=184)
您最近一年使用:0次
名校
解题方法
7 . 设D,E分别是△ABC的边AB,BC上的点,AD=
AB,BE=
BC,若
为实数),则
=_______ ,
=________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf31876698721a199c7c53c6b320aa86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65b702671123383680299bf0d543d230.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75b5dc876d7dcd3c971b36d26668b1e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7345f310975ddb40dca94b5135c35dad.png)
![](https://img.xkw.com/dksih/QBM/2020/4/6/2435817264652288/2436443171233792/STEM/f56e3ef3b05b417ca11e4912c7ba681e.png?resizew=79)
您最近一年使用:0次
2020-04-07更新
|
933次组卷
|
5卷引用:2020届北京市第22中学高三第一学期第二次阶段性考试数学试题
解题方法
8 . 已知直角梯形
中,
,E是线段
上靠近A的三等分点,F是线段
的中点,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411cb28bfde7b1ec9e53165f666e5f3b.png)
________ ;若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9f63d194aa0d4091618b6f41f569ee2.png)
_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5372776176f715480c7641ab6686610.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e52a8f07834cbbbe4224962672fbbb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d783fe7f3ce673d5d21281174e7a7968.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411cb28bfde7b1ec9e53165f666e5f3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd6407c804c5ad9a0faf6532482a6d48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9f63d194aa0d4091618b6f41f569ee2.png)
您最近一年使用:0次
2021-06-08更新
|
684次组卷
|
4卷引用:天津市宝坻区大口屯高级中学2021-2022学年高三上学期第一次月考数学试题
天津市宝坻区大口屯高级中学2021-2022学年高三上学期第一次月考数学试题天津市益中学校2022-2023学年高三上学期第一次学情调研数学试题天津市南大奥宇学校2021届高三下学期高考模拟数学试题(已下线)考点19 平面向量的数量积及向量的应用-备战2022年高考数学(文)一轮复习考点帮
名校
9 . 如图,在
中,
,
,D,E分别是直线AB,AC上的点,
,
,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4397f6e86c69e6b597e7e8635afbfb8.png)
______ .若P是线段DE上的一个动点,则
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca036d049f5205cf04cb1b9c5cd03f97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f13ed38754929014a20dde676150f9ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11b20b98c5ea2825b0dc56818aed9364.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4574204d3d9f2d5629af943b73c26a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4397f6e86c69e6b597e7e8635afbfb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a09c2b91e41d1be14e7eb1b56800081.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/9/561294cd-a9b0-4daa-a087-7de6501fc32a.png?resizew=174)
您最近一年使用:0次
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10 . 在
中,点
、
分别为
、
的中点,点
为
与
的交点,若
,
,且满足
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41f0a6fbd95167041ac551e20921c4e1.png)
______ ;![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bd1293de1f26bb4a08e34aaf7cf892a.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/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9abaeba15f3abdd877bc701af52c5cd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b1bd1adfe4cc6566218f19970c2fd3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f50b3ae183997b707d16eb4e7f6712fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e69d2b798744645af88a4fa411344a83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06201e4f55b78d8b30afb257d5a1b16b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c279c8033acb94c3f91be2e05b0a6bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce4bfdc97ec3690443a6b573a11306ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41f0a6fbd95167041ac551e20921c4e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bd1293de1f26bb4a08e34aaf7cf892a.png)
您最近一年使用:0次
2020-06-29更新
|
903次组卷
|
6卷引用:天津市新华中学2022-2023学年高三上学期第一次统练数学试题
天津市新华中学2022-2023学年高三上学期第一次统练数学试题天津市河西区2020届高三二模数学试题(已下线)专题13 平面向量-2020年高考数学(理)母题题源解密(全国Ⅱ专版)(已下线)专题05 平面向量-2020年高考数学(文)母题题源解密(全国Ⅱ专版)(已下线)专题12 向量-2020年高考数学母题题源解密(天津专版)天津市河西区2022届高三下学期三模数学试题