计算:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc1badcafee26aca0ecf2ac2dca07a01.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc1badcafee26aca0ecf2ac2dca07a01.png)
2020·上海崇明·一模 查看更多[3]
上海市崇明区2020-2021学年九年级第一学期教学质量调研数学测试卷(一模)(已下线)专题13 平面向量的线性运算(考点)-备战2021年中考数学考点微专题(上海专用)上海市崇明区2020-2021学年九年级(上)期末数学试卷(一模)
更新时间:2021-01-16 17:36:05
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适中
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【推荐1】如图,已知点
是
的重心,过点
作
分别交边
于点
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表示向量
为________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e210c9698063925ad2df6b6c1749571.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0d54431bbb28ebd98db5c1dc6083a75.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3a51949f48ee8cf746851ba779b078e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c48ab4bf48ad2bde011951acc70e4fdf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85ce7db65ef13b5ca9db0064ed23798f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/10/67389702-4f2f-4de1-b736-117ad1224911.png?resizew=116)
您最近一年使用:0次
填空题
|
适中
(0.65)
【推荐2】如图,在△ABC中,点D是边AC的中点,如果
,
,那么![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e99505be08e2ad6633d5381e54cc3139.png)
________ (用向量
表示).
![](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/e99505be08e2ad6633d5381e54cc3139.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8ccba3b87a8a48ac3dd5f72d00bdb1a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/28/1085f025-e036-483c-b32e-c0031c41a5db.png?resizew=170)
您最近一年使用:0次