19-20高一·浙江·期末
解题方法
1 . 如图,直角梯形
中,
,若
为
三条边上的一个动点,且
,则下列结论中正确的是__________ .(把正确结论的序号都填上)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/2/8725bac3-b1ad-493e-9e5a-d8c344ccf419.png?resizew=149)
①满足
的点
有且只有1个;
②满足
的点
有且只有1个;
③能使
取最大值的点
有且只有1个;
④能使
取最大值的点
有无数个.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e13df0a410fe807ccb8f29d89efa3ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48b1ef4380f9fa0344d04c4b5645b299.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/2/8725bac3-b1ad-493e-9e5a-d8c344ccf419.png?resizew=149)
①满足
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8493a0cd10d3d0399173c04163740a38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
②满足
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f371d431b6c91972b742c426c8a81ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
③能使
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fd1f0ace9ca0b79929e73af6c201c2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
④能使
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55db12bc9a3b7bd2e6decaaea6ba387e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
您最近一年使用:0次
19-20高一·浙江·期末
解题方法
2 . 在
中,已知
是
延长线上一点,若
,点
为线段
的中点,
,则
( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/29/37101a42-53e8-4a1f-bb44-56cdda9c95e6.png?resizew=185)
![](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/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da08fee1320e4de21ed3af82e786f0b1.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/bfa34c248278e824a8dacb824fe496cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6d83c928c31f443a3597be5b841557d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/29/37101a42-53e8-4a1f-bb44-56cdda9c95e6.png?resizew=185)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
3 . 在平行四边形
中,
为线段
的中点,
,
,其中
、
,且均不为
.若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/080881113dcfedbb37be834669306a05.png)
_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68518e208f3db53e37c265f4943919d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a330b6de38b7ef2933726d717b2b6d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95cccdff49c3efe6e7a7dbbf69db9319.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c95b6be4554f03bf496092f1acdfbb89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0440f82f1344e0c04ebc467e871a409.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/080881113dcfedbb37be834669306a05.png)
您最近一年使用:0次
名校
解题方法
4 . 在
中,
、
、
分别是内角
、
、
所对的边,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e9922b743cbbb57703e7e09d7a4d8df.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.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/a5286e6f2a3a37d327b767c8f834f8c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e9922b743cbbb57703e7e09d7a4d8df.png)
您最近一年使用:0次
2020-03-01更新
|
1080次组卷
|
4卷引用:人教A版(2019) 必修第二册 突围者 第六章 易错疑难集训(二)
人教A版(2019) 必修第二册 突围者 第六章 易错疑难集训(二)(已下线)专题5.2 平面向量的基本定理及坐标表示(精练)-2021届高考数学(文)一轮复习讲练测江苏省射阳中学2022-2023学年高一下学期3月月考数学试题(已下线)专题2 填空题题型
解题方法
5 . 如图,在
的边
,
上分别取点
,
,使
,
,
与
交于点
,若
,
,则
的值为______ .
![](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/60ef95894ceebaf236170e8832dcf7e3.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/03044c2e30049d2ec8da164c339f130e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f2b782326fa5363e7dd1c34794b9b31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7785afeeaf274892253d04b4f693b367.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db54223bb3fc2fe2497213a4d1f94827.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df2e9fecc491d400a19a45a72dc1fb57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dd75c1843fac8d1daac774d563c0d38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d287e7f86a20acfbd1254b412352cdf.png)
![](https://img.xkw.com/dksih/QBM/2020/3/1/2410043700805632/2410097654824960/STEM/75701cc5c56c4d069200e7637852aa28.png?resizew=158)
您最近一年使用:0次
名校
6 . 设
,
是两个不共线的向量,
,
,
.
(1)若平面内不共线的四点O,A,B,C满足
,求实数k的值;
(2)若A,C,D三点共线,求实数k的值.
![](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/f02bdbb1d101da9412e0b248e6989097.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f04ac4f51b38ae6757af9f8d3c0a87a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb78c7cd736ff2ef0fba8380127980af.png)
(1)若平面内不共线的四点O,A,B,C满足
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69c6ae0c7a1429d4dacf069042a63fcd.png)
(2)若A,C,D三点共线,求实数k的值.
您最近一年使用:0次
2020-02-26更新
|
498次组卷
|
3卷引用:内蒙古赤峰市2019-2020学年高一上学期期末联考数学试题
名校
7 . 已知
为平面内两个不共线向量,
,
.若M,N,P三点共线,则λ=_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/111939547e581e8bf029a241b9e9cb05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9932c02a2ca0231a3ff8baecab58fe92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b58ba5ff107287ef66613559cf2d5464.png)
您最近一年使用:0次
2020-10-14更新
|
124次组卷
|
3卷引用:【全国市级联考】广西钦州市2018届高三第三次质量检测试卷文科数学
【全国市级联考】广西钦州市2018届高三第三次质量检测试卷文科数学(已下线)专题5.1 平面向量的概念及其线性运算(精练)-2021届高考数学(文)一轮复习讲练测河北省廊坊市文安县第一中学2023-2024学年高一下学期3月月考数学试卷
解题方法
8 . 平行四边形ABCD中,已知
,
,
,点E,F分别满足
,
,若
,则
等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0d5a2cd05e4476fc72271e8fdb59a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f945a69cf7e8213e50622125cde652f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2868a39fc4c4878980082988da6be54c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0349cd732cc592e1d7980bb0c0de8206.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa12a5232d8737d40fcfdab8446f0860.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
A.![]() | B.![]() | C.1 | D.2 |
您最近一年使用:0次
解题方法
9 . 如图,已知
,
、
分别为边
、
上的点,且
,
与
交于
,设存在
和
使
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/29/dfeb885a-3644-4bcf-8327-3fafd6d7d5dc.png?resizew=168)
(1)求
和
的值;
(2)用
表示
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7664c349b19381aca9ef817ea3381c7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1100379a4385b9ce064847bc21760adc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b644383f542a667168d144615270737.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/29/dfeb885a-3644-4bcf-8327-3fafd6d7d5dc.png?resizew=168)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1100379a4385b9ce064847bc21760adc.png)
(2)用
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b172cf8d898883d82e973f28c3c3a3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d47a6c27a56dee95154372e5e0af2a96.png)
您最近一年使用:0次
名校
解题方法
10 . 已知四边形
的顶点坐标为
,
,
,且
(
).
(1)若点
在第一象限,求实数
的取值范围;
(2)若点
为直线
外一点,且
,问实数
为何值时,点
恰为四边形
对角线的交点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ca8316866d8f61424c8ef98d5882ba8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14168792b74b97b8bc51531604ba36b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c5bdf7cb8958e92e750646138ef6b3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e5129dd9400e57d8c17ffcba6a41074.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3be362dec96173f246ff747264007817.png)
(1)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
(2)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a64f04c49c3c9b8453fa53c8e42e3a34.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
您最近一年使用:0次
2020-02-18更新
|
367次组卷
|
2卷引用:江苏省常州市高级中学2019-2020学年高一上学期期末数学试题