已知
与
不平行,且
,
,
,若以
、
为一组基底,则
用
、
可表示为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48bd8a052e56b53a66497b4b55a968a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc155e36276a2226c40a1f4ef7a0f41a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a194cb2de682a6c079d76e18fa5d527c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2d979cc503b0780c920bd53a47c4c10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0be35fc324e0c692cb565a1bf892c9c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94075193c11fe43f2396cff5a485054.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d366d8fbb7258ee051f49977441e14a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2f4b1178f68bd147d1a2a6acd04435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94075193c11fe43f2396cff5a485054.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d366d8fbb7258ee051f49977441e14a2.png)
20-21高一·全国·课后作业 查看更多[3]
沪教版(2020) 必修第二册 堂堂清 第八章 8.3(1)向量的坐标表示(已下线)9.3.1 平面向量基本定理 -2021-2022学年高一数学10分钟课前预习练(苏教版2019必修第二册)(已下线)专题4-1向量性质与基本定理应用-2
更新时间:2021-12-01 22:59:44
|
相似题推荐
填空题-单空题
|
较易
(0.85)
名校
【推荐1】已知点G为△ABC的重心,过G作直线与AB、AC两边分别交于M、N两点,且
=x
,
=y
,求
的值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/888afd002858f23a84a8755a002bed7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9795e7f5cb9b366776c41d8f3f43942.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0b839f1105b095a1b2b9d09e53b31b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be64d59ac6538a0f4d79fb825e082081.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16f0b84ee4ed90face0993d4f4dda379.png)
您最近一年使用:0次
填空题-单空题
|
较易
(0.85)
【推荐2】如图,在平行四边形OACB中,E,F分别为AC和BC上的点,且
,
,若
,其中
,则
的值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/215bda01ae8c5608d8bdcbb62d2e0bc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4283b6d5514925bff89dd4ec0aa7d1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f9e9feffd48da1b938f24c6db245218.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d26927f1f0be044942dfce30c3607158.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fd1f0ace9ca0b79929e73af6c201c2e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/7/0b6607c4-e1e6-4dfd-91fc-71627327b887.png?resizew=200)
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1】已知
,
与
的夹角为
,
与
的夹角为
,
,用
,
表示
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0d6ba058c0cc0ae6d58b98d82392f35.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba022811a0e9ecb5c033eb7ab92efd0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3dfde0038de382d2be9701cea23ef7eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/329fdf7d989f77a32ca9e0361a9cc956.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be6a6301878fed2a01413020b27310a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4407c0b2e5febf70f610bd00067f105.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3dfde0038de382d2be9701cea23ef7eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6b86c22b670a8e9f3896f9e8883fbbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a93c45ee960698c258c70cc623b0a9b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3dfde0038de382d2be9701cea23ef7eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/329fdf7d989f77a32ca9e0361a9cc956.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4407c0b2e5febf70f610bd00067f105.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0d6ba058c0cc0ae6d58b98d82392f35.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】如图,在
的方格中,已知向量
的起点和终点均在格点,且满足
,那么![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edff1881635893293dd411ead8194aca.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abd4be97adde17423d59d86d18318c2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e12e95f703ad30ab9a3d38376830989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be280a1a27400288a5ba48b112305c53.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)
名校
【推荐3】已知向量
,
不共线,
,
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5085e3cdef9ea6c564e079f745d6fdb.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f0d0af053684009c62410e97dd1d71a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3dd32adddcc8c174a0ce45218c234068.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d20fbfcd672ec5b00846fed4f4cb2a6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e58bff5508013187ff5098840d75973c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a876a619bc28982306a920e932a3749.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5085e3cdef9ea6c564e079f745d6fdb.png)
您最近一年使用:0次