如图,在直角梯形
中,
,
且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23c55eb0fda24dab3c21c58ed2daa58b.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdf520953626a1149047909607ad7eac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3ff4fe5d4200da440c3ab535d2c95bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/901c502638437e61a9f66d212abdff69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23c55eb0fda24dab3c21c58ed2daa58b.png)
![](https://img.xkw.com/dksih/QBM/2021/6/4/2735876160823296/2737282824708096/STEM/3d0b9c99-0872-4d1a-abf0-eae319b2fc02.png?resizew=216)
19-20高三·天津·周测 查看更多[4]
天津市南开中学2021届高三统练(6)数学试题(已下线)考点17 平面向量的基本定理及向量坐标运算-备战2022年高考数学一轮复习考点帮(浙江专用)(已下线)考点18 平面向量的概念及其线性运算-备战2022年高考数学(理)一轮复习考点帮(已下线)考点17 平面向量的概念及其线性运算-备战2022年高考数学(文)一轮复习考点帮
更新时间:2021-06-06 18:39:04
|
相似题推荐
填空题-单空题
|
较易
(0.85)
名校
解题方法
【推荐1】在
中,
,点Q满足
,则
的最大值为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2205cffebf8c4d5f81d15ed7b85c8936.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f415d46fc7e913243e30d3022af34cbc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd46ad8efa17c31b79abb57e1142493f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d871b0b46194d7300950e04f085533d2.png)
您最近一年使用:0次
填空题-双空题
|
较易
(0.85)
解题方法
【推荐2】已知在
中,点M满足
.则点M是
的________ 心.若存在实数m,使得
成立,则m的值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/520d4e1e1497f405617b85238c501e21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c85cce09cbdd088462fbb0a15364397c.png)
您最近一年使用:0次
填空题-单空题
|
较易
(0.85)
名校
【推荐3】在菱形
中,
,
,
,则
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cb3f9a5da641be35117fd35ba07a6aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e7fa3aea72ccc36948a4a90f7368f71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a14b9e6dfaf58b8159e4f2d3b9bd6645.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cec912d569813b23b2a2b597115ae0ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/599bc84c844c948d06e171355fb65712.png)
您最近一年使用:0次
填空题-单空题
|
较易
(0.85)
【推荐1】在△ABC中,
,
,M是CB的中点,N是AB的中点,且CN、AM交于点P,则
= (用向量
和
表示).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6036ee591bb616e8547cab6636718d69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fdc4a3e894d0b00e0896f0dac804730.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0d93f6451729a572c5f4ba3a9f2aaca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2859333183a1d5749eac25f8b4e3b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efda714bc270ccf8712aaf16f7b08b82.png)
您最近一年使用:0次
填空题-单空题
|
较易
(0.85)
【推荐2】已知菱形
的边长为2,
,
在边
上,
,
.若
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96724b211bf3e56d588bd430aa3f2894.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cb3f9a5da641be35117fd35ba07a6aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61a719cb3370fe6ddc7d2437dfaa9b8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3b96dce1ec94eb90c243b2eddb78476.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f18752c339098cbf9a84410f99b5310.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/864aec7b9cfafb79090d533c63df5c2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd0197f2d776b49e3949f98e491b55a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cdeb960f6811c6d0a81c8b6c9f441e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00fee13d29032bbffad76d8991bec8d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96724b211bf3e56d588bd430aa3f2894.png)
您最近一年使用:0次