化简:
(1)
;
(2)
;
(3)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc1709c6618c010217de589fea4df7a9.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15d832e09a39b1bdc6f8bdc841604baa.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23644aa926c61b32cd679f031f256f4f.png)
21-22高一·湖南·课后作业 查看更多[2]
更新时间:2022-02-22 11:29:24
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相似题推荐
解答题-问答题
|
容易
(0.94)
【推荐1】如图,在方格纸中,取两个格子的格点(A,B,C,D,E,F)为起点和终点作向量,写出满足下列条件的向量:
相等的向量;
(2)与
的相反向量;
(3)与
的模相等的向量.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84b8a2a41a8b50e10d68943e3f0f4e05.png)
(2)与
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfd0cecf5c102254b9755e42a80c3948.png)
(3)与
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bd98a891fa65f2fc6688001b03185d0.png)
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解题方法
【推荐2】如图,
,
,
在同一平面内,
,且
,求![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b56eafea968d21ad301b457a2f8325f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3dfde0038de382d2be9701cea23ef7eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da40b3b35709a0c20c34374acdfd8a4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09b2a2676220aedd1cbf46768cf77396.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e8036a881da6a4eef036529028a11d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f238cfe9005ce1690c2fb6e194d1c002.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b56eafea968d21ad301b457a2f8325f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/21/170e6346-550a-4c4b-8d15-7e62ab7e4b7f.png?resizew=115)
您最近一年使用:0次
解答题-问答题
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容易
(0.94)
【推荐2】如果
表示“向东走
”,
表示“向西走
”,
表示“向北走
”,
表示“向南走
”,那么下列向量具有什么意义?
(1)
;(2)
;(3)
;
(4)
;(5)
;(6)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/969604545902c9a66549a4a44ec3a3c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09ecb9867a677cada4e7a936cf8db9c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90ab17fd4247cdd710c363d5d3fbc5bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93a093fc910e039897e5f4a6a7bd82da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8c308ea87b699ee1dcb879a568899de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09ecb9867a677cada4e7a936cf8db9c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/358d896d9eab84c6695ddc25196e6857.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93a093fc910e039897e5f4a6a7bd82da.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b84d3ac29e40172224d8408cfdcd0767.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/614b003a9f14fed694128f681b2f1d91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22ca9a510647f93f98245de0f2929aab.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3c87edaed23a377e6262a87bf037972.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee7036ac9827defaf11ef905347706d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9690a00464bf18c75613b1aa6bcb3dd6.png)
您最近一年使用:0次
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(0.94)
解题方法
【推荐2】如图,已知向量
,
,
,求作向量
.
![](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/d366d8fbb7258ee051f49977441e14a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a20a8f91072638d8e0f9a12f1c867701.png)
您最近一年使用:0次