解题方法
1 . 如图所示,在同一个平面内,向量
,
,
满足:
,
与
的夹角为
,且
,
与
的夹角为
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/705d0cd198f423d1a7d6b9a7999c18ee.png)
_______________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d60dcb171bb7fd972aab8294d63acdb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f68628a408537b1cf3bf1ca2a69731b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d20ec3efaa6b6ff5769e8999df5714a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/604e033c0105b4e10ffbe97edf3d8e37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d60dcb171bb7fd972aab8294d63acdb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d20ec3efaa6b6ff5769e8999df5714a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbc1d1b8795e1ce1fa500896959e0271.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d20ec3efaa6b6ff5769e8999df5714a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f68628a408537b1cf3bf1ca2a69731b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79a97bb4dcfab4ec7539bc783d563c49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14e4012993d99698492460dc66e05a26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/705d0cd198f423d1a7d6b9a7999c18ee.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/4/4bfe4751-a7d7-4a0c-9277-287f5cf3a4be.png?resizew=160)
您最近一年使用:0次
2021-12-02更新
|
446次组卷
|
3卷引用:中学生标准学术能力诊断性测试2021-2022学年高三上学期11月测试文科数学试题
2 . 已知平面向量
、
、
为三个单位向量,且
,若
(
),则
的取值可能为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d60dcb171bb7fd972aab8294d63acdb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f68628a408537b1cf3bf1ca2a69731b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d20ec3efaa6b6ff5769e8999df5714a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1695034a4c212e5568fe41625fd2a417.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/692ecf18a26155750cdcfc6bd402258e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dcbca3478eae63853d2aab5332e2e56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b88584cf1df43e28d03592c7998b1653.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2021-11-17更新
|
1322次组卷
|
5卷引用:山东省济宁市嘉祥县第一中学2021-2022学年高三上学期期中考试数学试题
山东省济宁市嘉祥县第一中学2021-2022学年高三上学期期中考试数学试题山东省泰安市新泰市第一中学东校2021-2022学年高三上学期期中数学试题(已下线)专题12 平面向量综合必刷100题-【千题百练】2022年新高考数学高频考点+题型专项千题百练(新高考适用)山东省临沂市莒南县莒南第一中学2022-2023学年高三上学期期中数学试题安徽省安庆市怀宁县新安中学2023-2024学年高一下学期6月月考数学试卷
21-22高三上·江苏南通·阶段练习
名校
解题方法
3 . 如图,已知
,
,
,
,
,若
,则
( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/15/7afe334b-6406-4c96-b7d9-68eb7c4b6573.png?resizew=204)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9774f83067ed956a551bc41adcce0469.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ba1df94176a1f769c7a0a12bf357fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98c78f77e5b86ccd537e5f027de9ffe2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfd71679516fa8be63f61af50de58090.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abcbae1c72f88434bc244619fcc7c9f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b14243a0de53914649b9bccbffbfe68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/080881113dcfedbb37be834669306a05.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/15/7afe334b-6406-4c96-b7d9-68eb7c4b6573.png?resizew=204)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2021-11-05更新
|
949次组卷
|
5卷引用:江苏省南通市如皋市2021-2022学年高三上学期教学质量调研(一)数学试题
(已下线)江苏省南通市如皋市2021-2022学年高三上学期教学质量调研(一)数学试题(已下线)综合检测(能力篇)-2021-2022学年高一数学同步知识梳理+考点精讲精练(人教B版2019必修第二册)(已下线)9.3.2-9.3.3 向量的坐标表示和运算 向量平行的坐标表示1-2022-2023学年高一数学《考点·题型·技巧》精讲与精练高分突破系列(苏教版2019必修第二册) 江苏省镇江市扬中市第二高级中学2022-2023学年高一下学期期中模拟数学试题(已下线)6.3.2-6.3.4 平面向量正交分解与坐标表示、向量加减运算的坐标表示、平面向量的数乘运算及坐标表示
20-21高一·全国·课后作业
名校
解题方法
4 . 已知在直角梯形ABCD中,AD∥BC,∠ABC=90°,AB=BC=2,AD=1,梯形所在平面内一点P满足
=2
,则
=( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8891edcb35490fdad49139407daac634.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07630df371b864a38c31c7a892afc17c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49a641f1ede11ffc6faa6ee14394d15f.png)
A.-![]() | B.-1 |
C.-2 | D.-2![]() |
您最近一年使用:0次
名校
解题方法
5 . 在矩形
中,
,
,
为
的中点,若
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96724b211bf3e56d588bd430aa3f2894.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/305a88d4e0249bd16d48eda01331d2d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc11331a7b2d2619b40ee6d34c3bd620.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdd61db21b5d8810a4d0bcd8d4f6508d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b99fe720be7923c9b54958d80d1412b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96724b211bf3e56d588bd430aa3f2894.png)
您最近一年使用:0次
2021-10-03更新
|
737次组卷
|
5卷引用:百师联盟2022届高三一轮复习联考(一)(全国1卷)理科数学试题
百师联盟2022届高三一轮复习联考(一)(全国1卷)理科数学试题天津市第九十五中学益中学校2021-2022学年高三上学期第二次月考数学试题百师联盟2021-2022学年高三上学期第一次模拟考试联考数学试题广东省仲元中学2021-2022学年高一下学期3月月考数学试题(已下线)专题6.8 平面向量基本定理及坐标表示(重难点题型检测)-2022-2023学年高一数学举一反三系列(人教A版2019必修第二册)
6 . 平面内给定三个向量
,
,
.
(1)求满足
的实数m、n;
(2)若
,求实数k;
(3)若向量
满足
,且
,求
的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/869b1c04fd90a2420a415d1aa1ef8120.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd2555bb24d9abc9551b1de8deffea3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b81f304dda2966fbe3bcc66908c6c1b0.png)
(1)求满足
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4da9d94ef5b14a65b9a0eeeac5b912fa.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d8622f3b48b4c0d1d389b9915073539.png)
(3)若向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec655f610928ca21831e26645a21e99c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfaa4853e7aab60c1b7bc6d6859d9b1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40a460d6d9126d7a22fa4a81cd5cba7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec655f610928ca21831e26645a21e99c.png)
您最近一年使用:0次
名校
解题方法
7 . 直线
与抛物线
交于
,
两点,与
轴交于点
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9d030458289f86242006853326b1ce3.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e4bdbef22c617288a80b656551e6370.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/745de5ef1fd897d16e37464172d5e8c9.png)
![](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/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2f892b64a5387b655428658e6b3c686.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9d030458289f86242006853326b1ce3.png)
您最近一年使用:0次
名校
解题方法
8 . 已知
,
夹角为120°,
,
.
与
夹角为150°,如图所示位置
,若
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5085e3cdef9ea6c564e079f745d6fdb.png)
___________ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0719844e0261af3b625d9673e5926.png)
___________ .
![](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/70e310702748855c3edccd151aae0143.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34fa8ea29001bb1f0c1e5157aff2fca5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d366d8fbb7258ee051f49977441e14a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2f4b1178f68bd147d1a2a6acd04435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d5b3355ee9ba032587b89203adff55c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe6b282bb21a9767162b6e18e15ef87c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5085e3cdef9ea6c564e079f745d6fdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0719844e0261af3b625d9673e5926.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/26/5e863d44-246c-4e2a-b057-039b6ddc544a.png?resizew=165)
您最近一年使用:0次
名校
解题方法
9 . 如图,每个小正方格的边长都是
,则
的值为( )
![](https://img.xkw.com/dksih/QBM/2021/5/31/2733106876497920/2735550526103552/STEM/89fb6bf8-5966-46fe-b956-a6ccab0ebcd0.png?resizew=203)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10e0f82be542b294116afaa92946dbc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1884dd7bea1b00c41563bc4abcd9d422.png)
![](https://img.xkw.com/dksih/QBM/2021/5/31/2733106876497920/2735550526103552/STEM/89fb6bf8-5966-46fe-b956-a6ccab0ebcd0.png?resizew=203)
A.1 | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2021-06-09更新
|
983次组卷
|
3卷引用:北京市2021届高三高考模拟数学试题
名校
10 . 集合
,
,则
等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83be3f21965fb82d72e1b4521ec39a14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3a13015aa6414a7355a74d17cb87728.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c81919684bc4047d376c7e57dc6c8f1c.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2021-06-06更新
|
168次组卷
|
2卷引用:安徽省蚌埠市第二中学2021届高三下学期高考最后一模理科数学试题