1 . 如图所示,
中,
,D为AB中点,E为CD上一点,且
,AE的延长线与BC的交点为F.
与
表示
;
(2)用向量
与
表示
,并求出
和
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f968d4bca2443672e4f7295a6360e316.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/268d4721a3898235c268de4054981a40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/969604545902c9a66549a4a44ec3a3c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90ab17fd4247cdd710c363d5d3fbc5bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e00b863991d441829e9ccbc21a796301.png)
(2)用向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/969604545902c9a66549a4a44ec3a3c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90ab17fd4247cdd710c363d5d3fbc5bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21d538446124353976bb32f44a45635c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9be73499a01b79a82156acac49235834.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7175aeb7fccac3a831dc620f9f0b325c.png)
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2020-02-06更新
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5卷引用:山东省潍坊诸城市2019-2020学年高一下学期期中考试数学试题
山东省潍坊诸城市2019-2020学年高一下学期期中考试数学试题人教B版(2019) 必修第二册 逆袭之路 第六章 平面向量初步 本章小结(已下线)第六章 平面向量初步 本章小结人教B版(2019)必修第二册课本习题第六章本章小结(已下线)9.2 向量运算1-【帮课堂】(苏教版2019必修第二册)