解题方法
1 . 在平行四边形ABCD中,
,
,
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8fc06330261fefcfc4fd699c1468bbb.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11a6de9c200921cee8abd5eb5d763bde.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3625fad1df99b1421669d23fb6229eb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7fe8e2b7e9385e848a81152809e15a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/069cb245f69df7ac153b55ec1d91675c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8fc06330261fefcfc4fd699c1468bbb.png)
您最近一年使用:0次
2020-06-18更新
|
720次组卷
|
6卷引用:2020届江苏省南京市十校高三下学期5月调研数学试题
2020届江苏省南京市十校高三下学期5月调研数学试题山东省济宁市2020届高三6月高考模拟考试(三模)数学试题考点08 平面向量-2020年【衔接教材·暑假作业】新高三一轮复习数学(理)(人教版)考点09 平面向量-2020年【衔接教材·暑假作业】新高三一轮复习数学(文)(人教版)(已下线)第28讲 向量的分解与向量的坐标运算-2021年新高考数学一轮专题复习(新高考专版)(已下线)专题六 平面向量-山东省2020二模汇编
名校
2 . 如图,正六边形
中,若
(
),则
的值为____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9165d9bfbb0f0d19eb482c2a4c1b29b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9e3647b612e6133bdf618d050694fca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26811ee3593abb3d1c411494868c3ea9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/febf7413b35cf2889fdb57a6b519087c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/9/02f6063d-2e7f-4607-ac37-db30e5f2b834.png?resizew=165)
您最近一年使用:0次
2019-05-07更新
|
985次组卷
|
4卷引用:【市级联考】江苏省七市(南通、泰州、扬州、徐州、淮安、宿迁、连云港)2019届高三第三次调研考试数学试题含附加题
【市级联考】江苏省七市(南通、泰州、扬州、徐州、淮安、宿迁、连云港)2019届高三第三次调研考试数学试题含附加题江苏省泰州中学2020届高三上学期开学考试数学(文)试题1江苏省泰州中学2020届高三上学期开学考试数学(文)试题2(已下线)考点15 平面向量的线性运算-2021年高考数学三年真题与两年模拟考点分类解读(新高考地区专用)
解题方法
3 . 已知
为
内一点,且满足
,延长
交
于点
.若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5085e3cdef9ea6c564e079f745d6fdb.png)
_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e4ef5bbd740e9330c9478994dec7d34.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2c3d2cba96f6f03520c0b3f6e4da03e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b2f14f9c735d0a9c6673293684da59b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5085e3cdef9ea6c564e079f745d6fdb.png)
您最近一年使用:0次
解题方法
4 . 在面积为
的
中,
,若点
是
的中点,点
满足
,则
的最大值是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/839c7616cd0d90265f4b2c9c021254fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95b1e8bf467d5fa7b4f030b18f26296c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52c27334d7a603d274af7e73585a991a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23e77a6a004dc4e568dee970c23c5804.png)
您最近一年使用:0次
2020-04-13更新
|
606次组卷
|
3卷引用:2019届江苏省百校联考高三数学试题
名校
解题方法
5 . 如图,在
中,
,
,D,E分别是直线
,
上的点,
,
,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4397f6e86c69e6b597e7e8635afbfb8.png)
_________
![](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/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88d386c4cd13d9fe9af2382960b71489.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de5762ef8627372fd72cd44cade28da4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26bba98b56e956fca9aaab0c7c817300.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4397f6e86c69e6b597e7e8635afbfb8.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/29/86a3201a-2327-44b5-adb9-77ebfde7ae3c.png?resizew=158)
您最近一年使用:0次
2020-06-26更新
|
551次组卷
|
2卷引用:江苏省镇江市扬中市第二高级中学2020-2021学年高三上学期初检测数学试题
名校
6 . 已知点
是
内一点,满足
,且
,延长
交边
于点
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96724b211bf3e56d588bd430aa3f2894.png)
_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d212efb3b99f757bd73a01d4028599a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f224879d451c00bbfecbe286044e9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d39b6bef27de230acad352f25e954f4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96724b211bf3e56d588bd430aa3f2894.png)
您最近一年使用:0次
2019-04-18更新
|
859次组卷
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3卷引用:【校级联考】江苏省泰州中学等2019届高三第二学期联合调研测试数学试题
名校
解题方法
7 . 在
中,已知
,
,
,点
是边
的中点,则
的值为_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40eb326c96c22db416b1f5ec223076f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae15e5357601ddb7e303b56dbe337145.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90c6a3093cdd379246e6a7d0d4e5f240.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d3a7e3355ee508b11f19c15e28dfeab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a09d8f219bd490c7e8b4aaff5f7c9954.png)
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2020-03-20更新
|
565次组卷
|
6卷引用:江苏省南京市2020届高三9月学情调研数学试题
名校
8 . 在
中,已知
,若点
满足
,
(
),且
,则实数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5085e3cdef9ea6c564e079f745d6fdb.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41d384e419d31183fd10a3f845f5b466.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91e1e4115d78e625e9e0f47cdade3286.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7366dece62e5d429c30331ad31aaedbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72c362787d039865a8e877efa6b5a8a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bd9736828195f010db4e1f0a9dea7a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71327eeca7c2afa2d7db6da051e19fdf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5085e3cdef9ea6c564e079f745d6fdb.png)
您最近一年使用:0次
2020-01-30更新
|
770次组卷
|
4卷引用:江苏省无锡市2019-2020学年高一上学期期末数学试题
名校
解题方法
9 . 在
中,
,
,
,
,
,
,则
的值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b57fdd2a3642716fcf5100011eb3ec88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1682d306c38087d9e6f7efb9cec596a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d2dedb0fc7d1e206651241cab25615e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13c1b4b4c8fda01cb5ff00f52e0b269b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6dd82bb60b4a503e0f41db17d56b69e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ee4e718ef1e35c5716729bdd1a47073.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/24/e7499978-0e61-4c7d-bf29-4ca14357e619.png?resizew=259)
您最近一年使用:0次
2020-03-25更新
|
491次组卷
|
9卷引用:2020届江苏省南通市海门中学高三上学期10月第一次教学质量检测数学试题
2020届江苏省南通市海门中学高三上学期10月第一次教学质量检测数学试题江苏省扬州市邗江区蒋王中学2019-2020学年高三上学期10月学情检测数学试题第9章 平面向量 (A卷基础卷)-2020-2021学年高一数学必修第二册同步单元AB卷(新教材苏教版)江苏省常州市华罗庚中学2021-2022学年高一下学期3月月考数学试题(已下线)第九章 平面向量(单元重点综合测试)-单元速记·巧练(苏教版2019必修第二册)湖北省黄冈市黄梅县黄梅国际育才高级中学2022-2023学年高一下学期3月月考数学试题河南省济源市第六中学2023-2024学年高一上学期9月月考数学试题河南省济源市第六中学2022-2023学年高一下学期5月考数学试题河南省济源市济源高级中学2022-2023学年高一下学期3月月考数学试题
名校
解题方法
10 . 在梯形
中,
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d829e1e4e92479ee7ee91316a1020df8.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/776a60c8de7e8bb51d466275bb9b63c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9168e6d69ce98affd9cb0460f892b92d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d829e1e4e92479ee7ee91316a1020df8.png)
您最近一年使用:0次
2020-03-29更新
|
525次组卷
|
4卷引用:2020届江苏省南京市中华中学高三下学期阶段考试数学试题
2020届江苏省南京市中华中学高三下学期阶段考试数学试题(已下线)冲刺卷06-决战2020年高考数学冲刺卷(山东专版)浙江省杭州市第二中学2020届高三下学期考前热身考试(最后一卷)数学试题(已下线)第11练 平面向量的数量积-2021年高考数学一轮复习小题必刷(山东专用)