解题方法
1 . 在长方体
中,
,以D为原点,
,
,
方向分别为x轴,y轴,z轴正方向建立空间直角坐标系,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30c527864f0dad3bd9f4363d45a6a6e0.png)
______ ,若点P为线段AB的中点,则P到平面
距离为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47abf7a3691e5bb64716c4e50b43a86d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a754ad0537577221e7be168127d7cba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c085dbb9d78aef7d81c3f4d6855f067b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f7373300e952e2b90c7a66b682f5969.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30c527864f0dad3bd9f4363d45a6a6e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9539f8fb13345b449274b67bbda995db.png)
您最近一年使用:0次
2 . 点
关于坐标平面
对称点
的坐标为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e313b245161f9e371777ba2727e291a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7d96461d2b3421aed548b754637ca8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc8396a7120abeaae6236a9292e5b9f8.png)
您最近一年使用:0次
名校
3 . 点
关于
平面对称的点的坐标是_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b8002f24367cb130cc4d901e1a41115.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7d96461d2b3421aed548b754637ca8a.png)
您最近一年使用:0次
2016-12-05更新
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565次组卷
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2卷引用:2016-2017学年海南嘉积中学高二上月考一数学(文)试卷