1 . 在
中,点
是
的中点,且
,用向量
表示向量
为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/122fe84cfa345c1902231699c96beac2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0be656083580a03c6481fb75881b84f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa8c53645db602c72b00b599c2c0ff97.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2 . 如图,在
中,
,P是线段
上的一点,若
,则实数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a23c10fcb4fe0ccc015f8bfc60744589.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07377d977ef6a8f518b3004564544e5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7a3093e6a49fe7a5a3485a801e9738b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
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解题方法
3 . 已知
是不共线的非零向量,则以下向量可以作为基底的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10814bc3db929e79874befe96cf4e3d4.png)
A.![]() |
B.![]() |
C.![]() |
D.![]() |
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2024-04-16更新
|
218次组卷
|
3卷引用:专题01 向量基底、四心及其应用(1)-期末考点大串讲(苏教版(2019))
(已下线)专题01 向量基底、四心及其应用(1)-期末考点大串讲(苏教版(2019))第二章 平面向量及其应用章末重点题型复习(1)-同步精品课堂(北师大版2019必修第二册)山东省学情2023-2024学年高一下学期第一次阶段性调研数学试题
名校
4 . 如图所示,
中,
,点
是线段
的中点,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff400c098ae6bf6abd24651a5a21114e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aab59a34fc8e9efc023657f1374a1dc.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2024-04-16更新
|
1217次组卷
|
4卷引用:专题01 向量基底、四心及其应用(1)-期末考点大串讲(苏教版(2019))
(已下线)专题01 向量基底、四心及其应用(1)-期末考点大串讲(苏教版(2019))江苏省?邮市第?中学2023-2024学年高一下学期4月阶段测试数学试卷贵州省仁怀市第四中学2023-2024学年高一下学期第一次月考数学试题山东省青岛市第五十八中学2023-2024学年高一下学期期中考试数学试题
5 . 如图所示,在平行四边形
中,点
为
中点,点
在
上,且
,记
,
.
为基底表示
;
(2)求证:
三点共线.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97a0103adccc3223f8d327aadf409207.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7b9d8a08fc52c31cc1a7f527d18b55c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/184359fe3cadc363cf4ebe586c2b3db4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b172cf8d898883d82e973f28c3c3a3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a014dff8997c661055229de29c61cfc.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a40e1ebf192fda9c0177b4be1870643.png)
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6 . 如图,在梯形
中,
,设
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e68fb3f520c9cef9c9c3770a1d32b6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d1aa922b038bd7247741f895e192568.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/658ff9921ff96972b0fc95360bb0c65b.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
7 . 在平行四边形
中,
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec33b8270e7493da5408ddc3e9848e2.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
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解题方法
8 . 在
中,设
,
,
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f3adc4ed291596abf3bb93ae7a075d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cc03a3ba496faee748a8d63e5d4fa92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff400c098ae6bf6abd24651a5a21114e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b87cb941d12b088e027a65ce4c53947.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9769839f35c2b7002b9f5e62f40b34de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024-04-02更新
|
293次组卷
|
5卷引用:高一下学期期中考试--重难点突破及混淆易错规避(苏教版2019必修第二册)
(已下线)高一下学期期中考试--重难点突破及混淆易错规避(苏教版2019必修第二册)(已下线)专题01 向量基底、四心及其应用(1)-期末考点大串讲(苏教版(2019))(已下线)专题01 平面向量重难题型(1)-期末真题分类汇编(江苏专用)江苏省苏州市张家港市沙洲中学2023-2024学年高一下学期3月阶段性测试数学试题第二章 平面向量及其应用章末重点题型复习(1)-同步精品课堂(北师大版2019必修第二册)
名校
解题方法
9 . 已知向量
,
不共线,且
,
,
,若
,
,
三点共线,则实数
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0411792b587ddd3e04440392f011c224.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b95d660852c5226ff65a21cfb36b8b39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/413098e3d49501a37f38a6061942f516.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea243c7ab7dae11a4b7c25d481ce2e4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45c6e90415f78b81065d82eab08a6fee.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
A.0 | B.1 | C.2 | D.3 |
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2024-03-31更新
|
514次组卷
|
5卷引用:专题01 平面向量重难题型(1)-期末真题分类汇编(江苏专用)
2024高三·江苏·专题练习
解题方法
10 . 已知
分别为椭圆
的左右焦点,
为
上一动点,
为
的左顶点,若
,则
的离心率为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/851a5d6ec23256f9b4a9e98aa92945fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9fb30aa5274961ef64185fae12f3526.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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