名校
1 . 已知
,
,实数x,y满足等式
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edff1881635893293dd411ead8194aca.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6569e50f43b3d8645652ecc13b62066e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0058ba98518e596949c4f83461a1154a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76dc460d25f494166cc9a23ccf57c31a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edff1881635893293dd411ead8194aca.png)
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2020-04-17更新
|
363次组卷
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5卷引用:山东省潍坊市2019-2020学年高一4月阶段考试数学试题
山东省潍坊市2019-2020学年高一4月阶段考试数学试题山东省潍坊市临朐县临朐中学2022-2023学年高一下学期3月月考数学试题(已下线)2.3.3 平面向量的坐标运算-2020-2021学年高一数学课时同步练(人教A版必修4)河北省唐山市第十一中学2020-2021学年高一下学期期中数学试题广东省南海一中2020-2021学年高一下学期第一次月考数学试题
2 . 如图所示,
为正交基底,则向量
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88bae85b6ba224ca42d691e87e63866e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b38a4a0911a4ddb5685d2026713c491c.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2020-04-17更新
|
443次组卷
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3卷引用:山东省威海市文登区2018-2019学年高一下学期期中考试数学试题
山东省威海市文登区2018-2019学年高一下学期期中考试数学试题陕西省汉中市西乡县2019-2020学年高一下学期期末模拟数学试题2(已下线)6.3.2平面向量的正交分解及坐标表示(分层作业)-【上好课】
解题方法
3 . 已知三点A(-3, 3), B(0, 1), C(1,0),则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b02eab71ee4be8135b4e3cbefe14d273.png)
A.5 | B.4 | C.![]() | D.![]() |
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2020-03-15更新
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582次组卷
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2卷引用:2019年山东省冬季高中学业水平考试数学模拟试题(一)
名校
4 . 已知向量
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad0dff76019f7f776701ccfe59f992d3.png)
_______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eff2b66f2fd178d97544a7c657d67c92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06a800376c2e42f5a83addede6de7db3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad0dff76019f7f776701ccfe59f992d3.png)
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2020-03-12更新
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373次组卷
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2卷引用:河南省2017年1月普通高中学业水平考试数学试题
5 . 若
,
,则与向量
同向的单位向量是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcc4aa5bcdec54522e496b1c768c51fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d212e3416fac5d05b956ea2348b4dc6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/305d5f36a9fdbc840161b36563923195.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2020-03-11更新
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323次组卷
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2卷引用:山东省聊城市2018-2019学年高一下学期期末数学试题
解题方法
6 . 已知在
中,
为
的中点,
,
,点
为
边上的动点,则
最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/defad6a6cfa5b7909fba1ebca5f67d0c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6eefe5bbbfbf6a2dfa3c73adac4341f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef3a0847b85dc439a773af30cc2736b6.png)
A.2 | B.![]() | C.![]() | D.-2 |
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7 . 设向量
,向量
满足
,则向量![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8faa8be41d2c7612769d4ad94ada0eca.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba3559d22834f574748c4200b51c6b3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/427fa45527d0ce469bfd060bf6f991f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5da3b97666103123b4c8256a0ef5562.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8faa8be41d2c7612769d4ad94ada0eca.png)
您最近一年使用:0次
解题方法
8 . 已知向量
,
,
(
),若
,则
与
的夹角![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9251dff989f7d60db751b73033dee269.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a2c2679d90971159a45e14017264521.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14f8c0505762657988bcbce854c78436.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32bb7424ab16707e699238d4781018b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59b2400d72b1e3145cb21ba719d8a968.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b580b1e474eb43d7e7e2634ece223036.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/433b94c39737727e53468df419d8314a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb573cc0f30d5c32cdad1510793f0e7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9251dff989f7d60db751b73033dee269.png)
您最近一年使用:0次
名校
9 . 在平面直角坐标系
中,已知向量
,向量
,
.
(1)若
,求
的值;
(2)若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7795aec93c2c7ac2fd93e6747ca6516c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4210022232ab807a2642fe2e8614cffb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/186e6fcd6c4e460c2840040e1128c5ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a90f71a22daa4df7bd75c1e3e66fcb4.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d45632b3ca6ab6c0b05df0d5a838c375.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99c5a05a11f731194a845e68a0479ce4.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14c7703ccedca014a2aa6218fb2de6ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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2020-02-13更新
|
926次组卷
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2卷引用:山东省济宁市微山县第二中学2019-2020学年高一下学期第一学段教学质量监测数学试题
10 . 已知平面向量
,
,
,
,
,
,若
,则实数
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/969604545902c9a66549a4a44ec3a3c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90ab17fd4247cdd710c363d5d3fbc5bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8c308ea87b699ee1dcb879a568899de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88a6093853ba2bcd48357811cfdc9677.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2f783aadbec09298708faa10c178d35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7df6e4aa78b8206fe08c4d5f4d7282.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8819e4d88fcdb25562af5a76b1763adc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
A.4 | B.![]() | C.8 | D.![]() |
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2020-02-02更新
|
391次组卷
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5卷引用:2015届北京市西城区高三二模理科数学试卷