非零向量
,则
是
与
所成角为钝角的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b172cf8d898883d82e973f28c3c3a3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abdab13be1e0b75550db1b6ad88c2b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2f4b1178f68bd147d1a2a6acd04435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94075193c11fe43f2396cff5a485054.png)
A.充分不必要条件 | B.必要不充分条件 |
C.既不充分也不必要条件 | D.充要条件 |
更新时间:2024-05-23 10:46:44
|
相似题推荐
单选题
|
较易
(0.85)
【推荐1】若A是
的必要不充分条件,则
是
的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0cade80cc586844131c49711a013918.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa30eed5f5c04bd1d63d30d968595697.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
A.充分不必要条件 | B.充要条件 |
C.既不充分也不必要条件 | D.必要不充分条件 |
您最近一年使用:0次
单选题
|
较易
(0.85)
名校
解题方法
【推荐2】已知
,则“
”是“
”的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9502bc142cef019e1e96eb3cda7d52c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eaa72cef7840f8e14c5495a5fbcbcf49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6234d6935565f9ff3ef21f177c542749.png)
A.充分不必要条件 | B.必要不充分条件 |
C.充要条件 | D.既不充分也不必要条件 |
您最近一年使用:0次
单选题
|
较易
(0.85)
名校
解题方法
【推荐1】已知
中,
,
,当
时,
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0415398198f94e5fcdb0e02cf1534d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a1be17e0a3e51cde1f50f384198e71e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bd9736828195f010db4e1f0a9dea7a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4166110642b121e699fd258c37eea673.png)
A.10 | B.![]() | C.5 | D.![]() |
您最近一年使用:0次
单选题
|
较易
(0.85)
名校
解题方法
【推荐2】在
中,
,
,点
在线段
上,则
( )
![](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/8f89deb952f57f4b3fa4887b098b7b91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0dd8b0963dc65e943af9e29bb9c5409.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次