已知空间向量
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64ea36978e291ee7932133a4123d7d45.png)
_________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2737a2dc773d1954ac7e7bacb773b34a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd79264e130de60a100b001b5d45585c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64ea36978e291ee7932133a4123d7d45.png)
更新时间:2023-01-05 22:57:50
|
相似题推荐
填空题-单空题
|
容易
(0.94)
名校
解题方法
【推荐2】设直线l的方向向量为
,平面
的一个法向量为
,若直线
平面
,则实数z的值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74079f4b80f626af44f4c34b0195acfb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a21834034ad246172fb64a02014cf21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9df740160690029ac1e730c85f20347.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
您最近一年使用:0次
填空题-单空题
|
容易
(0.94)
【推荐1】已知
为坐标原点,
,若
,则
的坐标是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b26ed549aaa9dc75a24a9779844c26bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12775390b9fb8f742175c95ead65df0c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
您最近一年使用:0次
填空题-单空题
|
容易
(0.94)
名校
【推荐2】已知
,
,
,且点D在平面ABC内,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b634ce6fa2832782b854c27dd5c0827a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6b63dacd17b6ad9d2f34461622691ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d2160b3194d1a4eb9aff6ada0c64e2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
您最近一年使用:0次