如图所示,在矩形
中,
,
,设
,
,
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b99903dd05c229aede7d0a8bcb82c632.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00dc923e1b4f6a795bfd70cd698dfdd3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f39282450bc4833027a7bdfa81c39f62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f3adc4ed291596abf3bb93ae7a075d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb4710b1b556a65c053dcade320b32d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62251af7a72ca88f3ccf68c22eebc62f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/12/b1243e96-6819-4cd6-9e2e-b31fd5abbfac.png?resizew=161)
21-22高一下·全国·课后作业 查看更多[6]
1.2 向量的加法 课时作业(已下线)专题07 平面向量(3大易错点分析+解题模板+举一反三+易错题通关)(已下线)6.2.2 向量的减法运算【第二练】“上好三节课,做好三套题“高中数学素养晋级之路(已下线)6.2.2 向量的减法运算(分层作业)-【上好课】(已下线)第6.2.2讲 向量的减法运算-精讲精练宝典(已下线)6.2.2向量的减法运算
更新时间:2023-07-09 18:45:42
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解答题-问答题
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较易
(0.85)
解题方法
【推荐2】设
,
是两个不共线的非零向量,已知
,
,
,试判断A,C,D三点是否共线.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb80eb942aafb194fadc473776f35b1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/433b94c39737727e53468df419d8314a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19a30460b29b4bd4bcab617e74d5faef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64057c3999c4b5ef03d5d6a983778ba0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c0f82dc995d409954ea942b23648e31.png)
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