20-21高一·全国·课后作业
1 . 给出下列命题:
①若
=
,则A、B、C、D四点是平行四边形的四个顶点;
②在
中,一定有
=
;
③若
,
,则
=
;
④若![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a92e6eba8dab638fd66831cd3a0b6d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb31ef428bd9de9bc875b343feded3c7.png)
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/427fa45527d0ce469bfd060bf6f991f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb31ef428bd9de9bc875b343feded3c7.png)
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a92e6eba8dab638fd66831cd3a0b6d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb31ef428bd9de9bc875b343feded3c7.png)
.
其中所有正确命题的序号为________ .
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1fe2d802f2b37e7db198c5a3c1df9a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66a584f11ff7ac3cfd1014f20187b196.png)
②在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5138a9f70d5e8b0580e30fef6eb7baef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1fe2d802f2b37e7db198c5a3c1df9a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66a584f11ff7ac3cfd1014f20187b196.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69005813b6862509e7e397995bda40c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6a7e519edfac1c359d1f1a7a1940797.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a92e6eba8dab638fd66831cd3a0b6d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/524594bf0942ed86f56fc1eee120a81a.png)
④若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a92e6eba8dab638fd66831cd3a0b6d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb31ef428bd9de9bc875b343feded3c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/427fa45527d0ce469bfd060bf6f991f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/427fa45527d0ce469bfd060bf6f991f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb31ef428bd9de9bc875b343feded3c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/524594bf0942ed86f56fc1eee120a81a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a92e6eba8dab638fd66831cd3a0b6d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb31ef428bd9de9bc875b343feded3c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/524594bf0942ed86f56fc1eee120a81a.png)
其中所有正确命题的序号为
您最近一年使用:0次
名校
2 . 下列四个说法:①若
,则
;②若
,则
或
;③若
,则
;④若
,
,则
.其中错误的是____ (填序号).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e8e462f7905f8b2c9984a31b904f831.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d065bd10f7ea1f05764e28f095f244f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5025f108d00d5146d3acf9bd32473a09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/778542d99ab19e2ecc0c7ef75161f133.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cbed773a45c19a2cc20113b18d727de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/076559f08d17fb25e82886e791719e52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5025f108d00d5146d3acf9bd32473a09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/076559f08d17fb25e82886e791719e52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2b23cc1e2140104001dd399ace17e9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01befa7f7561b4f33725fd714dbca42c.png)
您最近一年使用:0次
2023-09-19更新
|
1011次组卷
|
8卷引用:6.1 平面向量的概念——课后作业(基础版)
(已下线)6.1 平面向量的概念——课后作业(基础版)广东省湛江市雷州市第一中学2022-2023学年高一下学期第一次月考数学试题(已下线)专题01 平面向量的概念(四大考点)-【寒假自学课】(人教A版2019)(已下线)第6.1讲 平面向量的概念-精讲精练宝典(已下线)专题01 平面向量的概念-《重难点题型·高分突破》(已下线)专题01 向量概念-《重难点题型·高分突破》(苏教版2019必修第二册)(已下线)2.1 从位移、速度、力到向量-同步精品课堂(北师大版2019必修第二册)(已下线)2.1 从位移、速度、力到向量4种常见考法归类-【帮课堂】(北师大版2019必修第二册)
20-21高一·全国·课后作业
3 . 给出下列几种说法:①若非零向量
与
共线,则
;②若向量
与
同向,且
,则
;③若两向量有相同的基线,则两向量相等;④若
,
,则
其中错误说法的序号是__ .
![](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/778542d99ab19e2ecc0c7ef75161f133.png)
![](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/7c56e91c8c91d7037dc9d3879181be02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6dae1475470f443bbdb013a6f18ead7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66d76ee2e81f447f84a3e0b39c0388ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b32adec8f55a5d998ec6dd6ae442c149.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fde8e39a2679babf24eb124ddda20ef.png)
您最近一年使用:0次
2016高一·全国·课后作业
4 . 给出下列说法:
(1)若
,则
或
;
(2)向量的模一定是正数;
(3)起点不同,但方向相同且模相等的几个向量是相等向量;
(4)向量
与
是共线向量,则
四点必在同一直线上.
其中正确说法的序号是________ .
(1)若
![](https://img.xkw.com/dksih/QBM/2016/11/1/1826272361955328/1826272362029056/STEM/3a78fe1387a94ffb98992206b5953cdb.png?resizew=48)
![](https://img.xkw.com/dksih/QBM/2016/11/1/1826272361955328/1826272362029056/STEM/7660144836334402abdfe3d1fe1643d9.png?resizew=37)
![](https://img.xkw.com/dksih/QBM/2016/11/1/1826272361955328/1826272362029056/STEM/ec8c3970be924ef48eab64a6e8dc2ec2.png?resizew=47)
(2)向量的模一定是正数;
(3)起点不同,但方向相同且模相等的几个向量是相等向量;
(4)向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c436b63e793d6d39990341d29cf47f10.png)
![](https://img.xkw.com/dksih/QBM/2016/11/1/1826272361955328/1826272362029056/STEM/db064b2246af4da2a618dbe70de066bc.png?resizew=27)
![](https://img.xkw.com/dksih/QBM/2016/11/1/1826272361955328/1826272362029056/STEM/c240c84ee04d4e7ba3f865afe9c1b2a4.png?resizew=68)
其中正确说法的序号是
您最近一年使用:0次
2017-11-27更新
|
1506次组卷
|
3卷引用:同步君人教A版必修4第二章2.1平面向量的实际背景及基本概念
(已下线)同步君人教A版必修4第二章2.1平面向量的实际背景及基本概念高中数学人教版 必修4 第二章 平面向量 2.1 平面向量的实际背景及基本概念安徽省滁州市定远县育才学校2020-2021学年高一下学期第三次月考理科数学试题