名校
解题方法
1 . 设O为△ABC的外心(三角形外接圆的圆心),
,
,
,若AM为∠BAC的平分线,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d70dc2c20619a4fc12a0cfda59af5b69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9680bd6f250acb8b568510419b59d3e7.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2023-04-20更新
|
402次组卷
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3卷引用:河北省保定市2022-2023学年高一下学期期中数学试题
2 . 在
中,
,
,
,点
为线段
上靠近
端的三等分点,
为
的中点,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fc1ba2766874730daaad7d3bb7a8ee4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/305a88d4e0249bd16d48eda01331d2d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4494a85de0be0b97a69348115aef8513.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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
A.![]() | B.![]() ![]() ![]() |
C.![]() | D.![]() ![]() |
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2023-04-16更新
|
560次组卷
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3卷引用:湖北省部分高中联考协作体2022-2023学年高一下学期期中联考数学试题
湖北省部分高中联考协作体2022-2023学年高一下学期期中联考数学试题辽宁省锦州市辽西育明高级中学2022-2023学年高一下学期期中数学试题(已下线)期中测试卷02-《重难点题型·高分突破》(人教A版2019必修第二册)
名校
解题方法
3 . 如图,在直角梯形
中,
,
与
交于点
,
,则( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/29/f737ce8b-6683-4b95-a648-dbc183dfda38.png?resizew=134)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1134c8e3440abb6cd385af2c169037fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a3ac3a23bf91b117707ec6d6263936c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/29/f737ce8b-6683-4b95-a648-dbc183dfda38.png?resizew=134)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2023-03-28更新
|
801次组卷
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5卷引用:重庆市部分学校2022-2023学年高一下学期3月大联考数学试题
解题方法
4 . 设
、
是不共线的两个非零向量,若
,
,
,A、B、C三点共线,则实数m的值不可能是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2f4b1178f68bd147d1a2a6acd04435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94075193c11fe43f2396cff5a485054.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1d5c5bbd19feecaa7d227949d197c77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/247578d4a4fc23400b181864ad5f7c73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28e6c8f24c2251fe0f9709d5c66196bd.png)
A.![]() | B.![]() | C.1 | D.3 |
您最近一年使用:0次
名校
5 . 在等腰梯形
中,
,
且
,点
在梯形(含边)内,满足
,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a11029ca6b4b9e7f777af0280cf163c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6de3595bb7c79503fabd75d99196ccb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea4f5eec0addba78f2e0cdfb7ecc59a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50f2c98c84895030f3dffa92cb25ad20.png)
A.当点![]() ![]() ![]() |
B.当点![]() ![]() |
C.![]() ![]() |
D.![]() ![]() |
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2023-03-17更新
|
437次组卷
|
3卷引用:湖南省长沙市A佳教育联盟2022-2023学年高一下学期3月联考数学试题
湖南省长沙市A佳教育联盟2022-2023学年高一下学期3月联考数学试题(已下线)期中模拟卷(B卷·能力提升卷)-【单元测试】2022-2023学年高一数学分层训练AB卷(人教B版2019必修第三册)甘肃省天水市第一中学2022-2023学年高一下学期3月月考数学试题
6 . 如图,在
中,
是
的三等分点,则( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/18/3d2c437f-c730-4c9e-978e-3b19f8d56a7b.png?resizew=152)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2576240d61dc47001f7878450564986.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/18/3d2c437f-c730-4c9e-978e-3b19f8d56a7b.png?resizew=152)
A.![]() |
B.若![]() ![]() ![]() ![]() |
C.若![]() ![]() |
D.若![]() |
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2022-12-18更新
|
1523次组卷
|
6卷引用:第06讲 平面向量的数量积(二)
(已下线)第06讲 平面向量的数量积(二)(已下线)2.5.1向量的数量积第六章 平面向量及其应用(A卷·基础提升练)-【单元测试】2022-2023学年高一数学分层训练AB卷(人教A版2019必修第二册)(已下线)专题6.6 向量的数量积(重难点题型检测)-2022-2023学年高一数学举一反三系列(人教A版2019必修第二册)重庆市第八中学2023届高三上学期高考适应性月考(四)数学试题(已下线)专题07 平面向量(3大易错点分析+解题模板+举一反三+易错题通关)
名校
7 . 设向量
,平面内任一向量
都可唯一表示为
(
),则实数
的可能取值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f7e7a71e2294f6a747ccc433c83ca6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73a0b19e69be46452425916a0fcb49c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/073cc1a4bfc55840bab1b09be90cca70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8a900d0b93f73490e7efc2e444bb016.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.2 | B.3 | C.1 | D.0 |
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2022-12-01更新
|
454次组卷
|
6卷引用:第05讲 向量基本定理及坐标表示
(已下线)第05讲 向量基本定理及坐标表示(已下线)第六章平面向量及其应用(知识通关)(1)(已下线)专题02 向量基本定理与坐标运算-期中期末考点大串讲(苏教版2019必修第二册)江苏省盐城市滨海县五汛中学2022-2023学年高一上学期第一次月考数学试题吉林省长春外国语学校2023-2024学年高一下学期4月月考数学试题(已下线)专题01 平面向量(2)-期末考点大串讲(苏教版(2019))
解题方法
8 . 如图所示,
是
的边
上的中点,则向量
( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/28/272d0ff9-89c1-4f5e-b5e1-0a3cbb6fccd4.png?resizew=166)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e74e57f2b354a7e5f3facbb9ac54aae.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/28/272d0ff9-89c1-4f5e-b5e1-0a3cbb6fccd4.png?resizew=166)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
名校
9 . 已知
中,O是
边上靠近B的三等分点,过点O的直线分别交直线
,
于不同的两点M,N,设
,
,其中
,
,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31169492f191c839ba94ffd9edc0cd20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d85d5c79ab36aece4a96dde9ea62e347.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b140e221ddf537b8964fff8557cca0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de8610232c77741a37463feba1a66c94.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
10 . 已知菱形
,
,动点
在折线
,
上运动(包含端点),其中
,
,则
的可能取值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ea16ceca816f7d3d50650af141baf42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ff5c21185c13eae675906dabd3593c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b461cbe5a345727bc752ef8a063cf7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e64541d7f445079207b6f671adc7d662.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b88584cf1df43e28d03592c7998b1653.png)
A.3 | B.2 | C.![]() | D.![]() |
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