1 . 已知两个向量
,且
,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ace56e9effde74cc8ff804246e54073.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84e0eb433065c91c26548e916ba31a36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024-05-27更新
|
684次组卷
|
2卷引用:陕西省部分学校(菁师联盟)2024届高三下学期5月份高考适应性考试理科数学试题
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2 . 如图,点
,
,
均在边长为1的小正方形组成的网格上,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14b472cc0c25a15892a0f9b2bbc293d0.png)
A.![]() | B.![]() | C.![]() | D.10 |
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3 . 已知两个向量
满足
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b172cf8d898883d82e973f28c3c3a3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c5d02c772f0887ac9e54294b3eb2bfa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/902c7dc0a67f5a09445d9e551cc408cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7b741079eb5792a67559baa9b098684.png)
A.1 | B.![]() | C.![]() | D.2 |
您最近一年使用:0次
2024-05-27更新
|
888次组卷
|
2卷引用:吉林省长春市东北师范大学附属中学2024届高三下学期第五次模拟考试数学试题
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4 . 下列命题中,正确的是( )
A.若![]() ![]() | B.若![]() ![]() |
C.若![]() ![]() | D.若![]() ![]() |
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5 . 已知向量
,
满足
且
,则下列结论正确的是( )
![](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/9a321112ae2829a4783f7e4a1f022183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19d1c62349d7f0227f3687d08d447804.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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6 . 已知单位向量
共面,则下列说法中正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46fddc1f1c50aab4de7fff286d691b97.png)
A.若![]() ![]() | B.若![]() ![]() |
C.若![]() ![]() | D.若![]() ![]() |
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7 . 已知向量
,且
,则
与
的夹角等于______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6abdddfaa8f5bc3318f1c84163f77674.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e60e2180220297601db28850e5122807.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2f4b1178f68bd147d1a2a6acd04435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94075193c11fe43f2396cff5a485054.png)
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8 . 如图,
、
是以
为直径的圆上的两点,其中
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.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/a5487766cf7f2c4c54fa5aadc69ff5e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18c0098e82d41438224ce472054e5490.png)
A.1 | B.2 | C.![]() | D.![]() |
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9 . 已知单位向量
的夹角为
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8e8b95a61af300412fc65f846089028.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac1a63ab608517bb10aa036783dfb51f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc58a1f3535aefc139ced26211d66b06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
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10 . 已知单位向量
的夹角为
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10814bc3db929e79874befe96cf4e3d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d5bca00fa20e6e80480b9d06d2e52ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/978e6ca2eb081e4c5690fffa28eb28c1.png)
A.0 | B.![]() | C.1 | D.2 |
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