解题方法
1 . 等边
边长为2,
,
,
与
交于点
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce1a106e4f1a3d3f9efddb4dc4c63664.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aae7d93ef90564a5ca9d9a79a74245f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
A.![]() | B.![]() |
C.![]() | D.![]() ![]() ![]() |
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解题方法
2 . 已知向量
,
,且
与
的夹角为
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77f310de0d0eb960c113c09173eef132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6f99645c5aa5800b219c4d9f0baebcd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e64c7d38ccc3b18052c3ad46daf6f133.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c69552ea735e33d4af543f1c8b43db1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
A.![]() | B.![]() |
C.![]() | D.![]() ![]() ![]() |
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2024-05-16更新
|
383次组卷
|
3卷引用:江西省南昌市外国语学校2023-2024学年度高一下学期5月份月考数学试卷
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3 . 如图,在
中,已知
是
的中点,
,设
与
相交于点P,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0719844e0261af3b625d9673e5926.png)
___________ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9df2c17a690b0accb16d622487fa1950.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a56d8a98b3ff6b483ba6a6b41cccd333.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d4d5951339bdf8c49e8da94bc72f410.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d50703c46b6153945d718b198f03b4b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7785afeeaf274892253d04b4f693b367.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84119c347d39736b6621cd7def59dbcb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0719844e0261af3b625d9673e5926.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9df2c17a690b0accb16d622487fa1950.png)
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2024-05-08更新
|
1038次组卷
|
6卷引用:江西省南昌市第五高级中学2023-2024学年高一下学期期中考试数学试卷
江西省南昌市第五高级中学2023-2024学年高一下学期期中考试数学试卷江苏省苏州昆山柏庐高级中学2023-2024学年高一下学期3月月考数学试题(已下线)模块五 专题6 全真拔高模拟2(高一人教B版期中 )(已下线)模块一 专题4 平面向量的数量积【讲】人教B版(已下线)模块一 专题5 平面向量的数量积【讲】北师大版高一期中(已下线)模块五 专题6 全真拔高模拟2(苏教版期中研习高一)
名校
4 . 如图,在梯形
中,
,
,
,点
、
是线段
上的两个三等分点,点
,点
是线段
上的两个三等分点,点
是直线
上的一点.
的值;
(2)直线
分别交线段
、
于
,
两点,若
、
、
三点在同一直线上,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09d27bd71d79cb19eb554175e4ef0867.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/738d4661eff5f3f5930538014ae176fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f864244952b60f3648f08a19268efae9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e52a8f07834cbbbe4224962672fbbb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8bad16b7cdf8c638cd324f5be5d834f.png)
(2)直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31e55e398e8520d8a36fb5a625a085b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c83f1f880e5ffbff036953acaca90c41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8dae84de0353b6925d282c0854554c68.png)
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5 . 如图,在
中,
,
,
为
上一点,且
.
(2)求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b8fc167275fdc049c8777831522b7d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0c44fdd1d10a0d3cdf70a12a685180b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5da18267294924c440b4a5e1d08dd928.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d5b5776371df4d28cbc7a791053e8f8.png)
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6 . 已知
中,点
满足
,点
在
内(含边界),其中
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b487df3bd4826ed3e266f4f8677fee5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c025ee3317be1099b7bf03a11e37ed4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5331e29182b4a87e2d68127932ced86.png)
A.若![]() ![]() ![]() | B.若![]() ![]() |
C.若存在![]() ![]() | D.存在![]() ![]() |
您最近一年使用:0次
2024-05-07更新
|
160次组卷
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4卷引用:江西省抚州市金溪县第一中学等校2023-2024学年高一下学期期中考试数学试卷
解题方法
7 . 已知向量
与
的夹角为
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f557ad4c36b37f3c7d45b4cf8b591fac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3143307ad0ba4a631eac04e814993655.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
A.![]() | B.![]() |
C.![]() ![]() ![]() | D.![]() |
您最近一年使用:0次
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解题方法
8 . 如图,在四边形ABCD中
,
,M、N分别为边CB、CD的中点,点E为MN边上一点,且
,则xy的取值范围是____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68cf9c4b28e57c238fc38a686e640b73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/726f56ae57da92962d140cd8b97be8bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3718679555ab04141dc5787a57792afd.png)
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解题方法
9 . 如图,在平面四边形ABCD中,
,
,
,
.若点M为边BC上的中点,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/080db3af81b29ed10144a1c2e2a4fb8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdb2dd10731b99c0f4f89ee957f8a239.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c1750c5d2a28ff733ba77939e403f9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f1b79e9ebac09fb79679af525597b52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4b7b0795bce15b13d6246c1462cec0d.png)
A.![]() | B.6 | C.8 | D.12 |
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10 . 已知
,如图,在
中,点
满足
在线段BC上且
,点
是AD与MN的交点,
.
来表示
和![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d021a5c98388463d577675e58068aa7.png)
(2)求
的最小值
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22d812643e080d4d447fab7fe2ae2646.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fba4eb4fbdf7654f52b31d4138742e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc57614c316ede4c0a0ab3d533e21bd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1d750e26e69fa8c6ddd99d6073417ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0be656083580a03c6481fb75881b84f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/304a7f07db2ec637baadf8f0ab91c85c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d021a5c98388463d577675e58068aa7.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f32043a653eba02c79ae6395b3bcb34f.png)
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2024-04-30更新
|
1069次组卷
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5卷引用:江西省景德镇市乐平市第三中学2023-2024学年高一下学期4月期中考试数学试题
江西省景德镇市乐平市第三中学2023-2024学年高一下学期4月期中考试数学试题(已下线)专题01 第六章 平面向量-期末考点大串讲(人教A版2019必修第二册)(已下线)专题01 平面向量(2)-期末考点大串讲(苏教版(2019))(已下线)高一下学期期末考试01(范围:三角函数+必修第二册)-重难点突破及混淆易错规避(人教A版2019必修第二册)浙江省杭州市联谊学校2023-2024学年高一下学期5月月考数学试题