名校
解题方法
1 . 如图所示,无弹性细绳
,
的一端分别固定在
,
处,同样的细绳
下端系着一个秤盘,且使得
,则
,
,
三根细绳受力最大的是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.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/828628c0876b45381c9a0edeb0fec236.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a621bfa70a014bdcdb58697f099b597.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828628c0876b45381c9a0edeb0fec236.png)
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2021-08-26更新
|
609次组卷
|
11卷引用:江苏省南通市通州区2020-2021学年高一下学期期中数学试题
江苏省南通市通州区2020-2021学年高一下学期期中数学试题(已下线)6.4.1 平面向量在几何和物理中的运用(精练)-2021-2022学年高一数学一隅三反系列(人教A版2019必修第二册)(已下线)6.4.2向量在物理中的应用举例(练案)-2021-2022学年高一数学同步备课 (人教A版2019 必修第二册)(已下线)专题14 平面向量的应用(已下线)6.4.2 向量在物理中的应用举例2(分层作业)-【上好课】2022-2023学年高一数学同步备课系列(人教A版2019必修第二册)1.2向量的加法运算广东省东莞市东莞实验中学2022-2023学年高一下学期期中数学试题(已下线)6.4.2 向量在物理中的应用举例-高一数学同步精品课堂(人教A版2019必修第二册)(已下线)模块一 专题1 《平面向量的概念与运算》(人教A2019版)A【练】(已下线)6.4.2 向量在物理中的应用举例——课后作业(巩固版)(已下线)模块一 专题3《平面向量的概念与运算》单元检测篇A基础卷(北师大版高一期中)
名校
2 . 如图,在平面四边形
中,
,
,
,
,若点
为边
上的动点,则
的取值范围是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](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/9eee296a7d9fba487f1485c61580196f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d262480ffb55b7617f44b63f130c154a.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/4cfeddfada03c74999f99134ff9b0030.png)
![](https://img.xkw.com/dksih/QBM/2021/4/7/2694649182961664/2787535959293952/STEM/e4e06a30-c55d-450c-90aa-4e2707fd5486.png?resizew=228)
您最近一年使用:0次
名校
3 . 如图,已知
,
分别是
的边
,
上的点,且
,
,
交
于点
.
(1)若
,则
的值为______ .
(2)若
,
,
,则
的值为______ .
![](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/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/c3f52da6dd8113f1ce52cc4288736ad1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43b950b124167d1af47da0a4939622fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d50703c46b6153945d718b198f03b4b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/167d31eb8432b5c0364316e5048c23dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/839321fbb4a80fd271cbe09f687d4851.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3677f2a2a1b4aef3a370a03db832366.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d70dc2c20619a4fc12a0cfda59af5b69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b57fdd2a3642716fcf5100011eb3ec88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d920fbdd0d6c6e4f9b45e83414e3c84b.png)
![](https://img.xkw.com/dksih/QBM/2021/8/8/2781795400728576/2784153061097472/STEM/ee219850-d65c-485b-bc32-f58bd8b9de44.png?resizew=242)
您最近一年使用:0次
名校
4 . 在平行四边形
中,已知
,
分别是
,
上的点,且满足
,
,若
,则
的值为______ ;若
,
,
,则
的长为________ .
![](https://img.xkw.com/dksih/QBM/2021/4/29/2710206180032512/2772735765004288/STEM/9f2aa600716046d38f3899afa49a3896.png?resizew=178)
![](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/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40f010e8072a66a8f1bc73334885b42e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7c1631ee2e15496ee2d930eb5b84fa1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7f41fb525abd7c98c4e5d56f0e6a050.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/febf7413b35cf2889fdb57a6b519087c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30b0393ce62b24aa5f9b740d4cc6743b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae341f580ff8fbf21f616fe900b0e4b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a9eb456c912e01458c19b06e83a5c9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://img.xkw.com/dksih/QBM/2021/4/29/2710206180032512/2772735765004288/STEM/9f2aa600716046d38f3899afa49a3896.png?resizew=178)
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5 . 如图,在菱形ABCD中,
,
,E,F分别为BC,CD上的点,
,
,若线段EF上存在一点M,使得
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
___________ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acd82dceda2bf9ca99645183a06dec85.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efc6e4b936d7a800e839a30c3839574d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f945a69cf7e8213e50622125cde652f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7acd69f9a7b4f4b7176eba8a2388631c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35c0f3e6987b64c46a9fddbf1588510b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87f2fbbe8abdb73dee4b705f059491eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acd82dceda2bf9ca99645183a06dec85.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/26/4add8bf0-da03-4eac-904d-e2bf086211e5.png?resizew=180)
您最近一年使用:0次
20-21高一下·浙江·期末
6 . 已知
的重心为G,内角A,B,C的对边分别为a,b,c,若
,则角A为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ccb26122c2cc6c4953100b532cf7c6e.png)
您最近一年使用:0次
2021-05-19更新
|
633次组卷
|
5卷引用:江苏省南通市重点中学2020-2021学年高一下学期期中数学试题
江苏省南通市重点中学2020-2021学年高一下学期期中数学试题(已下线)【新东方】双师265高一下(已下线)【新东方】高中数学20210527-027【2021】【高一下】浙江省“七彩阳光”新高考研究联盟2020-2021学年高一下学期期中联考数学试题湖北省宜昌市部分学校2021-2022学年高一下学期期中数学试题
20-21高一·全国·课后作业
7 .
是正三角形,给出下列等式:
①
;
②
;
③
;
④
.
其中正确的有__________ .(写出所有正确等式的序号)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dab86dcb7b128fa1fe974f2966b21b.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83d6681c731bdcb04853e74ce23a172d.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/796afa035a5c98504b4fc67df9f70012.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15f30d211436d72f446bc3bf93094bf3.png)
其中正确的有
您最近一年使用:0次
2021-03-11更新
|
1093次组卷
|
6卷引用:第02讲 向量的加减法
(已下线)第02讲 向量的加减法(已下线)6.2.1 向量的加法运算(分层练习)-2020-2021学年高一数学新教材配套练习(人教A版2019必修第二册)(已下线)第10讲向量的概念和线性运算(练习)-【教育机构专用】2021年春季高一数学辅导讲义(沪教版2020必修第二册)(已下线)第14讲 向量单元复习(讲义)-【教育机构专用】2021年春季高一数学辅导讲义(沪教版2020必修第二册)(已下线)第2课时 课后 向量的加法运算(已下线)第01讲 平面向量的概念和线性运算(核心考点讲与练)-2021-2022学年高一数学考试满分全攻略(人教A版2019必修第二册)
名校
解题方法
8 . 已知菱形ABCD的边长为
,
,点
分别在边BC,CD上,且满足
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71ef9d1bedf5903439a6ba66de080347.png)
____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9eee296a7d9fba487f1485c61580196f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad056c25c0fdcbcc765eb5cbc6093f2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff83ce1a2d686d750bb10a96362fbe24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef75f453334ab90c1cbf2d7efb6f12dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71ef9d1bedf5903439a6ba66de080347.png)
您最近一年使用:0次
2021-02-26更新
|
591次组卷
|
2卷引用:江苏省盐城中学2021届高三下学期一模模拟练习一数学试题
9 . 已知平面四边形
中,
,
,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1911bb42682bafdf16d0a9295c67fa.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1e0e0a61bc7aedebcb4a10b423d21e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84f0b91afc751288b36edf6293b0959a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e7f43d9f2067e0f57fea3fd8c144d2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1911bb42682bafdf16d0a9295c67fa.png)
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名校
解题方法
10 . 已知顶点在坐标原点,对称轴为
轴的抛物线过点
,则该抛物线的标准方程为______________ ;设
为该抛物线的焦点,
、
、
为该抛物线上三点,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96a68f833a6349365d9fdb74427c18bc.png)
______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7859e082e3185d1b3a2856df19fbb3a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.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/2433015c90b8180e71b558c4a26bdb93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96a68f833a6349365d9fdb74427c18bc.png)
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2020-11-01更新
|
837次组卷
|
3卷引用:江苏省南通市如皋中学2020-2021学年高二上学期第一次阶段检测数学试题
江苏省南通市如皋中学2020-2021学年高二上学期第一次阶段检测数学试题江苏省南通市如皋市第一中学2020-2021学年高二上学期调研测试3数学试题(已下线)2021年新高考北京数学高考真题变式题11-15题