1 . 已知向量
满足
,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c8e23423ba05ff0072a71738caa5d65.png)
_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b172cf8d898883d82e973f28c3c3a3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2eca8fb20438505791369da9abe4a804.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5307169f49ce3173e84eb5275cd3cbc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c8e23423ba05ff0072a71738caa5d65.png)
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2022-09-13更新
|
547次组卷
|
5卷引用:甘肃省白银市靖远县2022-2023学年高三上学期开学考试数学(理)试题
名校
解题方法
2 . 已知向量
与
的夹角为
,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84b8769d7bf2001355155359c70d8566.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb80eb942aafb194fadc473776f35b1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/433b94c39737727e53468df419d8314a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79a97bb4dcfab4ec7539bc783d563c49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47a99de24f1bdd9dbd91327a25c54f1b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b72494c40e9c7afffd5238fd53e2e3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84b8769d7bf2001355155359c70d8566.png)
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2022-09-07更新
|
257次组卷
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2卷引用:四川省射洪中学校2022-2023学年高二上学期入学考试数学试题
名校
解题方法
3 . 已知
,
,若|
|=12,|
|=5,且
90°,则
的值为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14390e9b6b44472bdc7a131133ab39b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87cd14dfc0024459f9d8e594c95c5106.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4f605ec0729ce6d72237ad662a06862.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fc9656d8286c4d6fa309d6ae347c89e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a2979f64c85f82d8975d73ee1c342de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4051a3d29e6910a9272f0e04d350f88c.png)
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2023-09-11更新
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223次组卷
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11卷引用:1.2 向量的加法
(已下线)1.2 向量的加法江西省萍乡市芦溪中学2021-2022学年高一3月月考数学试题(已下线)专题02 平面向量的运算-2021-2022学年高一《新题速递·数学》(人教A版2019)河南省周口经济开发区黄泛区高级中学2021-2022学年高一下学期第一次月考数学试题人教A版 全能练习 必修4 第二章 第二节 向量加减法运算及其几何意义(已下线)6.2.2 向量的减法运算(练习)-2020-2021学年下学期高一数学同步精品课堂(新教材人教版必修第二册)北师大版(2019) 必修第二册 金榜题名 进阶篇 十六 向量的减法人教B版(2019) 必修第二册 北京名校同步练习册 第六章 平面向量初步 6.1 平面向量及其线性运算 6.1.3 向量的减法河南省周口恒大中学2022-2023学年高一下学期期中数学试题山西省朔州市怀仁市大地学校高中部2022-2023学年高一下学期第四次月考数学试题江西省全南中学2023-2024学年高二上学期开学考试数学试题
名校
解题方法
4 . 已知点D为△ABC的边BC的中点,
,
,
,
,
的夹角为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a258cd6bc17e376271e7ec49cd29a8d8.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fabf836a5eb2105f5a32160b75640c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c3d48bc621f58c7cece39304c88c3da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e41b3f0247a91adc28cd92b834adbc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb80eb942aafb194fadc473776f35b1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/433b94c39737727e53468df419d8314a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/926d1308d5db144e31b4d0211c63ef52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a258cd6bc17e376271e7ec49cd29a8d8.png)
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2022-07-09更新
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1168次组卷
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4卷引用:湖南省三湘名校教育联盟、五市十校教研教改共同体2021-2022学年高二下学期期末数学试题
名校
解题方法
5 . 已知向量
、
满足
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e99db28b7a5a1b437b943e7f9ad9f894.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb80eb942aafb194fadc473776f35b1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/433b94c39737727e53468df419d8314a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec5f5bbd930bfb957eff31038b2380f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b4fea87bf0383b9a419d2af14b391ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e99db28b7a5a1b437b943e7f9ad9f894.png)
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2022-06-17更新
|
367次组卷
|
2卷引用:广东省兴宁市第一中学2021-2022学年高一下学期6月月考数学试题
名校
6 . 已知单位向量
,
的夹角为
,若
,则
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb80eb942aafb194fadc473776f35b1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/433b94c39737727e53468df419d8314a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e863cfebdc63d4ff6b3b0a41180f499.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27c250094127e2b3c878d68213b60407.png)
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2022-04-28更新
|
599次组卷
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4卷引用:上海市上海交通大学附属中学2022届高三下学期期中数学试题
上海市上海交通大学附属中学2022届高三下学期期中数学试题上海南汇中学2023届高三上学期期中数学试题(已下线)专题08平面向量及其应用必考题型分类训练-2上海交通大学附属中学2021-2022学年高一下学期期末数学试题
名校
解题方法
7 . 已知向量
,
满足
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc009cdbdb648e63e75034b9763e1e79.png)
_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb80eb942aafb194fadc473776f35b1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/433b94c39737727e53468df419d8314a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a72d76fbbd1afa09aa65e149c195f32f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d43a8bfdd1d383abc05589ab6a53384d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc009cdbdb648e63e75034b9763e1e79.png)
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2022-04-04更新
|
373次组卷
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2卷引用:陕西省商洛市2022届高三下学期一模文科数学试题
解题方法
8 . 已知向量
的夹角为
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39f442fa5dc6583fb08a9c7043b62523.png)
_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8ccba3b87a8a48ac3dd5f72d00bdb1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af9955b5aebb73cd84447e8541f901ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9855cf6af0b80638432fe8a1372ea6cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39f442fa5dc6583fb08a9c7043b62523.png)
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2022-03-29更新
|
320次组卷
|
3卷引用:山西省孝义市2021-2022学年高一下学期第一次月考数学试题
名校
9 . 如图,在四边形
中,
,
,
,若
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a258cd6bc17e376271e7ec49cd29a8d8.png)
______ .若点
是线段
上的动点,则
的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce0d7095ddd69d6ceaf1065b1bc2c79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fb01d2b57580731c8b807ac8cffc8ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ddad21a6de8f54e65123d274c0098c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7f4c43bacdce89ee57dd2c6ef8eb70f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1522cbc54d32f2382d61a5a9858c5cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a258cd6bc17e376271e7ec49cd29a8d8.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/4cfeddfada03c74999f99134ff9b0030.png)
![](https://img.xkw.com/dksih/QBM/2022/3/7/2930976611385344/2936824562499584/STEM/29aed919bd324116a6fad7a7e513c7c0.png?resizew=278)
您最近一年使用:0次
名校
解题方法
10 . 已知
,
为单位向量,且
在
方向上的投影为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f233803ccc487b243f31ae3b2846d60.png)
______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb80eb942aafb194fadc473776f35b1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/433b94c39737727e53468df419d8314a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb80eb942aafb194fadc473776f35b1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/433b94c39737727e53468df419d8314a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3389f53711264b0acba3ba6019f8b908.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f233803ccc487b243f31ae3b2846d60.png)
您最近一年使用:0次
2022-03-01更新
|
1765次组卷
|
5卷引用:云南省师范大学附属中学2022届高三高考适应性月考卷(七)数学(文)试题