1 . 已知向量
,
,则
=_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80d769ab21af5365d3c00dc617375ce4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8eddbbab37f208b0cbbd5caa08840490.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f1c1dd6b13d92f2cc2eef097e14c07c.png)
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2 . 已知向量
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05f6f71602e479f2db73deab897b5224.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a2d19788ee3598945ddd3a1161782a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b30a452a97a6c62c18f3d303dfee0ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05f6f71602e479f2db73deab897b5224.png)
您最近一年使用:0次
20-21高一·全国·单元测试
3 . 已知点
、
、
及
,
为何值时,点
在
轴上?点
在
轴上?点
在第二象限?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19b62194097ac66a5093c57fca2f5b4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/115a0c87ac14dbb770c95d74d6e26073.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8d8638349bba38af6d6d53a55634626.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6d350e453f2cec6ec74efba6f8601b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
您最近一年使用:0次
2021-01-06更新
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580次组卷
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4卷引用:2022年辽宁省大连市普通高中学业水平合格性考试数学模拟试卷(二)
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