名校
1 . 如图,在
中,
,
是线段
上一点,若
,则实数
的值为__ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7353f4839acdd051bafaeb37f4d5cafb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e072b35b370c78b8aca5cdcc6d7463b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/19/d92bf7a2-581d-4a78-9399-ed74f33e2f8c.png?resizew=120)
您最近一年使用:0次
2019-05-14更新
|
710次组卷
|
7卷引用:浙江省丽水外国语实验学校2020-2021学年高一下学期第二次月考数学试题
2 . 已知向量
,
(1)若
与
共线,求实数
的值;
(2)请用向量
表示向量
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9741d5e7ae1eae5e378ccf18d019e53a.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72c648c7aa26ca519148d697617f746e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d366d8fbb7258ee051f49977441e14a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(2)请用向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb371bd7728c6d6a16533a93924ad998.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d366d8fbb7258ee051f49977441e14a2.png)
您最近一年使用:0次
3 . 已知
是
内的一点,
,
,则
_______ ;若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/934d37c81b2266c7b86bcc11afaf5f91.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/41df292d7fc8e991def77ae685893fca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcb795f1d9ff885181217c041d63688a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aab59a8a32c720261725317bf4dcc45c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff15582c6f1ebbaa998b2592c65095ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/934d37c81b2266c7b86bcc11afaf5f91.png)
您最近一年使用:0次
2020-02-24更新
|
498次组卷
|
2卷引用:浙江省丽水市2017-2018学年高一下学期期末数学试题
名校
4 . 在梯形
中,
,
,
为线段
上的动点(包括端点),且
(
),则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdb7ff510b3e549cdfae89a04214058a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d52d045115c5585a864e27ddad8f675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9856b23bd6dd7b6d87702e426eec79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26811ee3593abb3d1c411494868c3ea9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3802fde83e1f0879f8ede96b0093ed6.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2020-07-02更新
|
420次组卷
|
2卷引用:浙江省丽水市2019-2020学年高二下学期期末数学试题
解题方法
5 . 平面向量
,
,若
,则
等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a5618d27a4010782412bc0dbbda61d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e12d3de46c0c85b99d26833f6152699f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66d76ee2e81f447f84a3e0b39c0388ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2021-08-26更新
|
233次组卷
|
2卷引用:浙江省丽水外国语实验学校2020-2021学年高一下学期第二次月考数学试题
解题方法
6 . 已知平行四边形
中,
,
,
,点
是线段
的中点.
(1)求
的值;
(2)若
,且
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65a3e478bb87d094e3a0af30dd10ae8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6e0b64d25ddd18454f88e40c45d7d8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb81b37f629141092b8ce0bcc64aa52a.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39a00e3ce6e55858ba3f3f4a5a314f24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94e8a6ed9efd3ab94d547e2209adc8eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
您最近一年使用:0次
2020-06-12更新
|
329次组卷
|
4卷引用:浙江省丽水高中发展共同体2020-2021学年高一下学期期中联考数学试题
解题方法
7 . 已知平面向量
,
,满足
,
,
,则
的最大值是____.
![](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/cd18461fd9d77e6fa46a654f0ab540f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/082c6926889f84f438ea35f70bf05f02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc9c50ca0e6928f6ba24a3019392fbf9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38b305281cd85fe233914e21b35edff3.png)
您最近一年使用:0次
8 . 设平面向量
,
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
___________ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7787902056794fd718bfeec12825522b.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6569e50f43b3d8645652ecc13b62066e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e67f912e3cb83846ee8d703796c9f23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70facc9bc02af0867d248407bd317c05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7787902056794fd718bfeec12825522b.png)
您最近一年使用:0次
解题方法
9 . 已知向量
,
若向量
与
共线,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6afc067d641d0306625f6a5001a6e796.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33b058936679b8864c12910318ed244d.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/a6c57bbef89a37f1a3808c0ceeac0c22.png)
您最近一年使用:0次
解题方法
10 . 平行四边形
中,设
,
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e69148daeb9cc63a07b1018f7107c7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11fed0e4135ea42366959e4e305bd7d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9fec71ab2da165093d604c88d25954f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e307ccbd79aabad9759fe0c10b03194.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次