1 . 在空间直角坐标系
中,点
关于
平面的对称点的坐标为____________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a834024400d0730af3e640ca4d5f54b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/981f83d742f512082d880f915cb8c292.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65d4817aac2a4910300ebca91445eca9.png)
您最近一年使用:0次
2023-11-13更新
|
91次组卷
|
2卷引用:福建省泉州市安溪县2023-2024学年高二上学期11月期中考试数学试题
2 . 已知点P是点
在坐标平面
内的射影,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/969ccaae8bbf32f92a466639e4cf72bd.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fb7684fea9c9ec9f50a127955261d4b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8e4aaecb821e7f5d405a03b97616856.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/969ccaae8bbf32f92a466639e4cf72bd.png)
您最近一年使用:0次
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3 . 在长方体
中,
,
,
,如图,建立空间直角坐标系
,则该长方体的中心
的坐标为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92535536bd3c2761724fd058427f95a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc11331a7b2d2619b40ee6d34c3bd620.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/305a88d4e0249bd16d48eda01331d2d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c76ee17afa983fa795545b5568b80089.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/11/a9342226-132d-4c49-ae36-ffca944ba85c.png?resizew=263)
您最近一年使用:0次
2019-08-01更新
|
1099次组卷
|
3卷引用:福建省厦门市湖滨中学2020-2021学年高二上学期期中考试数学试题
名校
4 . 如图所示,棱长为2的正方体OABC
D′A′B′C′中,点M在B′C′上,且M为B′C′的中点,若以O为坐标原点,建立空间直角坐标系,则点M的坐标为______ .
![](https://img.xkw.com/dksih/QBM/2019/4/26/2190909994115072/2192122707951616/STEM/2c980c4bf17f452d904b3b3471345f3e.png?resizew=7)
![](https://img.xkw.com/dksih/QBM/2019/4/26/2190909994115072/2192122707951616/STEM/ec56c3d62b1c40c79ff74a61a83b0683.png?resizew=177)
您最近一年使用:0次
2018-12-22更新
|
329次组卷
|
2卷引用:【校级联考】福建省平和一中、南靖一中等五校2018-2019学年高一年下学期期中联考数学试题