名校
1 . 在
中,
,
,
是
中点,
在边
上,满足
,线段
和
交于
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f35465a18a817799ce068b582ad66501.png)
_________ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf1e8dc3576d1dfb58ffb114c8d2c3ad.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f93edbd735d79524f463085a4e9093bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5eef08aecd31a5cf33b3c98946de886a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1368d768513e7f6a9d043856b03da0d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f35465a18a817799ce068b582ad66501.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf1e8dc3576d1dfb58ffb114c8d2c3ad.png)
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2 . 已知平面向量
,
,设
,
,
,则
与
的夹角为______ ,当
时,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9f7eac757ce353e3c957f3b9532c4ba.png)
___________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf88502bfeea85d8035e1e9dfcd7535a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bf6fece591c9404b2e64ae3d43d8168.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a435e7acfa593b380f2ec19371d48cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa2dcd950fb951930c3a6bf1e0970446.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cfe7ef2fda29ae07ed14ab7ffa04862.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/560ee2894ba8c5cee6633430cc8b3b41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36f1a8e551cba7ec9f451749f60e628d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bbb8b4d6ff2b980352c90783b14c80c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9f7eac757ce353e3c957f3b9532c4ba.png)
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名校
解题方法
3 . 如图,在平行四边形
中,对角线
与
交于点
,
,则
_____ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f18b2173cc54f18d4409897efd80d431.png)
_______________________ (用
来表示)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28afab12a689f73a0cf06042e53b1c31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5085e3cdef9ea6c564e079f745d6fdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f18b2173cc54f18d4409897efd80d431.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bd19d458d51304d5b5709003af66e09.png)
![](https://img.xkw.com/dksih/QBM/2020/4/6/2435816457748480/2435896699994112/STEM/bffae6440d82440db0af8d8f26571edd.png?resizew=110)
您最近一年使用:0次
2020-04-06更新
|
772次组卷
|
4卷引用:辽宁省凌源市三校2021-2022学年高一下学期4月检测联考数学试题
辽宁省凌源市三校2021-2022学年高一下学期4月检测联考数学试题专题02 向量的数乘运算、数量积(核心素养练习)-【新教材精创】2019-2020高一数学新教材知识讲学(人教A版必修第二册)-《高中新教材知识讲学》(已下线)专题6.1 平面向量及其线性运算(B卷提升篇)-2020-2021学年高一数学必修第二册同步单元AB卷(新教材人教A版,浙江专用)专题6.3《平面向量初步》(A卷基础篇)-2020-2021学年高一数学必修第二册同步单元AB卷(新教材人教B版)