解题方法
1 . 已知点
,
,向量
,若
,则实数
等于___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad4d188710983cef181148c25d610c79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ab3c75d42587ba6174ccce153f4020d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c27cc341e127b51f66af7967ddd82844.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/614f41a2af44c35350c225a785ed747d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
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2022-12-06更新
|
349次组卷
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4卷引用:甘肃省武威市凉州区2022-2023学年高三上学期第二次质量检测考试数学(文)试题
甘肃省武威市凉州区2022-2023学年高三上学期第二次质量检测考试数学(文)试题陕西省渭南市临渭区2022届高三第一次质量检测文科数学试题(已下线)专题5-1 平面向量中的高频小题归类-2(已下线)第09讲 平面向量加、减、数乘运算的坐标表示
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2 . 在平行四边形ABCD中,A(1,2),B(-2,0),
,则点D的坐标为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65b9b4484f52cbe71841fa18cf1ea539.png)
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2019-03-25更新
|
1193次组卷
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6卷引用:2019届甘肃省白银市靖远县高三第三次联考数学(理)试题
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3 . 已知向量
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a019c35a09b9fcb44a885e9e8be09b5.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00f18baac82cd7deb3fa3630a7d7c1d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a019c35a09b9fcb44a885e9e8be09b5.png)
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解题方法
4 . 若向量
,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5085e3cdef9ea6c564e079f745d6fdb.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e2165674b15ca8a3b11d0a48bc5e12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1afa49dbaa99a0d7a7a6d18b3fe42091.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5085e3cdef9ea6c564e079f745d6fdb.png)
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2023-03-24更新
|
140次组卷
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2卷引用:甘肃省白银市靖远县第四中学2022-2023学年高一下学期6月月考数学试题
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5 . 已知
,
是平面上不共线的两个向量,向量
与
,
共面,若
,
,
与
的夹角为
,且
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7787902056794fd718bfeec12825522b.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05b28baf17059c56ee9ad1ae4814acd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b04618e5b2db68f2de6ba68972c505c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/433b94c39737727e53468df419d8314a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05b28baf17059c56ee9ad1ae4814acd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b04618e5b2db68f2de6ba68972c505c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b95108ec706b4dfab65ac8b1bf4198bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee1d7cb2e2c96731acef89069a37adeb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05b28baf17059c56ee9ad1ae4814acd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b04618e5b2db68f2de6ba68972c505c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d88591679796c52024d11c4de641bdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66c9ad8a10f0ba2ea324357ddfb205ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cab558658408d06a2d3734f32e859c1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7787902056794fd718bfeec12825522b.png)
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2020-07-08更新
|
729次组卷
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5卷引用:甘肃省武威市武威第一中学2020年高三上学期11月月考数学(理)试题
甘肃省武威市武威第一中学2020年高三上学期11月月考数学(理)试题山东省青岛市2020届高三第三次模拟数学试题山东省青岛市2020届高三自主检测数学试卷(已下线)专题六 平面向量-山东省2020二模汇编(已下线)2021届高三数学新高考“8+4+4”小题狂练(25)
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解题方法
6 . 已知向量
(-3,3),
(m,1),且
⊥(2![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f994c323edf3d6071d3de197c1f6ba7.png)
),则
=_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1f6486933fe3c2459cb13943244a088.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a61b7005fda09413fcfea33c3e7b797.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2f4b1178f68bd147d1a2a6acd04435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f994c323edf3d6071d3de197c1f6ba7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94075193c11fe43f2396cff5a485054.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2021-12-24更新
|
461次组卷
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3卷引用:甘肃省天水市第一中学2021-2022学年高三上学期第三次考试数学(文科)试题
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解题方法
7 . 在△ABC中,角A,B,C所对的分别为a,b,c,向量
,向量
,且
,则
的最大值为______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2b20b36c9922d6fcce689f988a006ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b338415d1e56daea1f37f359e5f077c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b907456faac5d0995bd73f7da94c9b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dde761719fe82f1718d2d36faebd8284.png)
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8 . 在
中,
为
的重心,若
,则
=______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.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/d5ffdf2eef5e601269e0f9f20c90323e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdef2c2000ee848c489fc4ff0946006e.png)
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2020-11-27更新
|
631次组卷
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3卷引用:甘肃省武威第六中学2020-2021学年高三上学期第四次过关考试数学(理)试题
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9 . 在
中,
,若
,则
的值是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c290cdc4cf3d6b82581e68ecaf5c7f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74f92aef16f5f17f7613e92f34c38e82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4e7bf9200b351a259ddfc6c0266129d.png)
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2022-06-22更新
|
247次组卷
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2卷引用:甘肃省高台县第一中学2021-2022学年高二下学期6月月考数学(理)试题
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解题方法
10 . 在
中,点
满足
,若存在点
,使得
,且
,则
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29630147d876d61e4cdfb00bc6a1ff15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a9e42dae7dcf827d22c8e698b9d948.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4815bdf2f452330b4d7ad2ee40b40f30.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
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