已知向量
,
,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f36c38a23fb419ccc01450ee766d6d5.png)
___ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56f853916e05854115f757c94fe1081b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd53739c6abb36c5ab5d73452aa3647a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2c444a4c30a8e27163c8323be7cf0d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f36c38a23fb419ccc01450ee766d6d5.png)
更新时间:2019-02-18 11:19:42
|
相似题推荐
【推荐1】已知角θ的终边经过点
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85527d190d4e1d6bac4145d1c716e65e.png)
______ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1494ebb5a7d14eb5cad078c3490d1742.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e262b7599fda82ae392ac10df97feff0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85527d190d4e1d6bac4145d1c716e65e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1494ebb5a7d14eb5cad078c3490d1742.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】已知
,
=___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1633b4787919a88f46d546e42089122f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afe42364fa4af6485dfe13e0184b6d6b.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1】平面向量
,
,若
,则
=____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66a744ddaa51f3464e923603c0a0eab7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65bb13f1b0e09a33ab7f3017ac74b7d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a876a619bc28982306a920e932a3749.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47ffb694021b52653de5141ae27ba6d0.png)
您最近一年使用:0次
填空题-单空题
|
较易
(0.85)
【推荐2】已知两点
,
,点P在直线AB上,且
,则点P的坐标为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22bbc1e04cd95d8d355064d641d79db4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13eba133f4d9b471b2acc2a4c5918185.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/900f213d79d4d9aa83a4d6477bd163fd.png)
您最近一年使用:0次
填空题-单空题
|
较易
(0.85)
【推荐3】设
,向量
,
,若
与
夹角为钝角,则
的范围是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d79d05c78e4e03ff3a64b24f272b876b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61f1b1d236c77645c4a610c7c45a0b89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb80eb942aafb194fadc473776f35b1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/433b94c39737727e53468df419d8314a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
您最近一年使用:0次