如图,点
是
的边
上的点,
.设
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6abb7f79e3864081e296e7ee6db3d1e2.png)
____ .(用含有
和
的式子表示)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b1bd1adfe4cc6566218f19970c2fd3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8cabcef1cee1213140371c499339864.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e69148daeb9cc63a07b1018f7107c7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2155b0df6138e31024520f028bccbfa8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6abb7f79e3864081e296e7ee6db3d1e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb80eb942aafb194fadc473776f35b1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/433b94c39737727e53468df419d8314a.png)
![](https://img.xkw.com/dksih/QBM/2021/10/31/2845422941921280/2900886833831936/STEM/deee3a34-b065-46bb-8996-b9958bfd17c2.png?resizew=189)
更新时间:2022-01-23 22:12:16
|
相似题推荐
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|
适中
(0.65)
名校
【推荐1】已知:如图,在梯形ABCD中,
,AB=3CD,如果
,那么
=____________ (用向量
的式子表示)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10df84d553a8826a7ce9bff4bf0d95b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6998b27a08fc8ce38a0c280a0cbaa969.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b680f91c4a693cc9ab2c23f2e9114ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2ed1091344715ecf096b13bfb54e3cf.png)
![](https://img.xkw.com/dksih/QBM/2020/6/2/2475914200645632/2476583518142464/STEM/ebebc08e65d14c02a3b10ceb5e4fc8a8.png?resizew=204)
您最近一年使用:0次
填空题
|
适中
(0.65)
【推荐2】如图,在平行四边形ABCD中,对角线AC和BD相交于点O,若
,
,则
用
、
可表示为_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e7a93a1399ff7a2bde342652479241b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae60c09521904ab969829bf0d74edd37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0762365cf0afd8d6966d7d3407e2ade0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb80eb942aafb194fadc473776f35b1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/433b94c39737727e53468df419d8314a.png)
![](https://img.xkw.com/dksih/QBM/2018/4/12/1922363923709952/1923714818326528/STEM/2e1752a7af6c4aa88cf54f6ccfa7ee8d.png?resizew=157)
您最近一年使用:0次