已知
,点D满足
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0719844e0261af3b625d9673e5926.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a96c94bd4246e2ba0eb5c5cd3348c84e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d83a57f42f49720e270a1e456a16ac3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0719844e0261af3b625d9673e5926.png)
22-23高一下·上海虹口·期中 查看更多[2]
更新时间:2023-05-19 22:05:37
|
相似题推荐
填空题-单空题
|
较易
(0.85)
解题方法
【推荐2】如图.已知矩形
中,
,
,
分别是
,
的中点,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd897da27ed7f7fb0036d86e5387260e.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b58022e20e4bd2a6c25f3f3a2d14fb76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd897da27ed7f7fb0036d86e5387260e.png)
您最近一年使用:0次
填空题-单空题
|
较易
(0.85)
名校
解题方法
【推荐1】在
中,点
,
满足
,
.若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edff1881635893293dd411ead8194aca.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7735eeeba8e3fe00e3fb401ffe449ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/281628539d99e39142e5951d7c3d584f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb3db96565a56385c77782c9963c0960.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edff1881635893293dd411ead8194aca.png)
您最近一年使用:0次
填空题-单空题
|
较易
(0.85)
解题方法
【推荐2】已知O,A,B是平面上的三个点,直线AB上有一点C,满足
,若
,用
表示向量
,则
=________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/625cc0502ae6c93c201a62496fc99f69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04ed0f18ec6f416353586da01adb3746.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8ccba3b87a8a48ac3dd5f72d00bdb1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d20ec3efaa6b6ff5769e8999df5714a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d20ec3efaa6b6ff5769e8999df5714a9.png)
您最近一年使用:0次
填空题-单空题
|
较易
(0.85)
名校
【推荐1】在
中,
,
,
,
为
边上的高.若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/808382ba1d893826a026d85e0cd67609.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74bae651529e60da7d1de9c997206cdf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8e1534947edbf652f61480a836f4123.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/592c6fdbe79a05318d5b1ef7610ecada.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/808382ba1d893826a026d85e0cd67609.png)
您最近一年使用:0次
填空题-单空题
|
较易
(0.85)
名校
【推荐2】在平行四边形ABCD中,E为线段CD的中点,
,
,其中
,且均不为0.若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd88c52ee21f07b7dad1a351e54b3ba5.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68518e208f3db53e37c265f4943919d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a330b6de38b7ef2933726d717b2b6d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5ab4b75fa22deba7fcbcdcb31dd45b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0440f82f1344e0c04ebc467e871a409.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd88c52ee21f07b7dad1a351e54b3ba5.png)
您最近一年使用:0次