已知
是长方体,
,且E为侧面
的中心,F为
的中点,分别求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d07f7569781d0217c769acde4fa27de8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b470c4e195cf7a07b7a331ce4b436e03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/394c5d2f55221975503be8aa18022480.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3da386c24bf9663ff2d8dcc9f8a2b10e.png)
21-22高二·全国·课后作业 查看更多[4]
(已下线)第一章 空间向量与立体几何 1.1 空间向量及其运算 1.1.3 空间向量的坐标与空间直角坐标系(已下线)第05讲 空间向量及其应用 (高频考点—精讲)-1(已下线)第06讲 空间向量及其运算的坐标表示 (1)人教B版(2019)选择性必修第一册课本习题习题1-1
更新时间:2022-03-01 10:04:12
|
相似题推荐
解答题-问答题
|
容易
(0.94)
名校
【推荐1】如图,给定长方体
,
,
,点
在棱
的延长线上,且
.设
,
,
.
(1)试用
表示向量
;
(2)求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6155f82a6f64b20085976cea9b64193.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/305a88d4e0249bd16d48eda01331d2d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf6480f4f44375d85b8c03d816977ec5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ef36fa79d02dd76e9ac5fda1689268f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9206f052cc7298fdf9049f9386f53928.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/381985fdee6a1ac3ad4a73f5f653b84c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/6/532e5f6b-25b5-4495-8d97-26eb44fdea33.png?resizew=165)
(1)试用
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e12e95f703ad30ab9a3d38376830989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d021a5c98388463d577675e58068aa7.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d71331dc768e2788b5ff67b86d2e5fc.png)
您最近一年使用:0次
解答题-问答题
|
容易
(0.94)
名校
【推荐2】如图,在平行六面体
中,E,F分别为棱
,CD的中点,记
,
,
,满足
,
,
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/30/3154ab91-a1a3-41e0-9e1f-ef780d0979ab.png?resizew=213)
(1)用
,
,
表示
;
(2)计算
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/394c5d2f55221975503be8aa18022480.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c20cbdfe479954ba2bc33142bc931c33.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/066bca5c293e81c8579c85cb365c4a34.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4654966ec154b40a92fab6fa5390542a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b5e5c0d0bcecfefc6ce763098a3ddc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6627c2c12eb6deddcd3585bf6cd7337c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e93b4787448ee5858e81109cc208b7b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc32568a310f81981445ca7385b03ee4.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/30/3154ab91-a1a3-41e0-9e1f-ef780d0979ab.png?resizew=213)
(1)用
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73a0b19e69be46452425916a0fcb49c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdc78f89939084f4979069d2d5b45833.png)
(2)计算
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ff4faea020790092dc1629e62bf006c.png)
您最近一年使用:0次