![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9edc50f7febbc2d5d8dcdc23a3630a7.png)
A.![]() | B.![]() | C.![]() | D.![]() |
【知识点】 求空间两点的中点坐标
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/491c73a1ba3a3f2c61be4f3cd9c1fa99.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
【知识点】 关于坐标轴、坐标平面、原点对称的点的坐标
A.9 | B.![]() | C.5 | D.![]() |
【知识点】 求空间中两点间的距离
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1b82ad92798b264062c062f4a9a1a5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a7d382fcbdda9a7a7a5b68997f9d582.png)
A.以点(1,1,-1)为球心,以![]() | B.以点(1,1,-1)为中心,以2为棱长的正方体内 |
C.以点(1,1,-1)为球心,以2为半径的球面上 | D.无法确定 |
【知识点】 空间距离公式的应用
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79060e9ba0966ddc63caab3c838996e0.png)
A.![]() | B.![]() | C.![]() | D.![]() |
【知识点】 关于坐标轴、坐标平面、原点对称的点的坐标
A.等腰三角形 | B.等边三角形 |
C.直角三角形 | D.等腰直角三角形 |
【知识点】 求空间中两点间的距离
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4483182fb43ff3c22767a0a310839cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db1b822db092804ebd29a11fc076b203.png)
A.以点![]() |
B.以点![]() |
C.以点![]() |
D.无法确定 |
【知识点】 三元方程及其图形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fd0158980b9fd5ccd743cae12c6ce2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f58d82c89a162672b46680d2ab12f0be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/990b2cbabb3c004dbbfb0eb6724f6ac1.png)
A.![]() | B.![]() | C.![]() | D.![]() |
A.3或8 | B.8或11 | C.5或8 | D.3或11 |
【知识点】 空间向量模长的坐标表示 空间中距离和角的计算
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fd19dfdaa9ccce3d58dd57c1ec43fd7.png)
①点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b104090ea2ac34be58a76a4e0e95cb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0a95feaf322728b77b7b06480d14630.png)
②点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ef1e8a88d934eca5399decc64fdbd43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7df1d9b712b639c8b6809c9f3ae03706.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9150599d4afbd4802f7a6e63a83ff4d2.png)
③点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32efe4eff75508cb93e828c735dcb695.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0a95feaf322728b77b7b06480d14630.png)
④点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72fa71450b470cb7d6464339873d74b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8259f193a7079c4570c10b52ad6ca94.png)
其中真命题的个数是.
A.![]() | B.![]() | C.![]() | D.![]() |
【知识点】 关于坐标轴、坐标平面、原点对称的点的坐标
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5493d43801af23d74668b0d0260c2671.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21fda8de572efcaf4bd16f1cf172233d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/084cf5ffced059f5653ee2a1023518b7.png)
A.![]() | B.![]() | C.![]() | D.![]() |
【知识点】 空间距离公式的应用
![](https://img.xkw.com/dksih/QBM/2018/5/14/1945307561689088/2009038710480896/STEM/7a10f7c482e74e5296c062d15053b455.png?resizew=12)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d44e8bc37ed03f44470762748a8f942a.png)
A.(0,0,1) | B.(0,0,2) | C.(0,0,3) | D.(0,1,0) |
【知识点】 空间中点的位置及坐标特征 求空间图形上的点的坐标 空间距离公式的应用
【知识点】 锥体体积的有关计算 空间中点的位置及坐标特征
【知识点】 空间距离公式的应用
【知识点】 求空间两点的中点坐标
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/3/d8d509d6-4ba6-4b85-83e9-a17c063de2d8.png?resizew=152)
【知识点】 求空间图形上的点的坐标
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2c529761a021089476ff28bcf20f9b9.png)
①点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2c529761a021089476ff28bcf20f9b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b07bce0ac551e754a903d3e06462e06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2c529761a021089476ff28bcf20f9b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6551ae4c515100f7c51b9a00213985f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2c529761a021089476ff28bcf20f9b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/897678e0dcba224bffb757deda9093ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2c529761a021089476ff28bcf20f9b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed43c6053022397eb9d21fe8ed4673a8.png)
【知识点】 关于坐标轴、坐标平面、原点对称的点的坐标
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04c36f306827b19f7628d04209d26f8d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60a0b2aae3a279e749d64a1efe084902.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
【知识点】 关于点对称的点的空间坐标
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f479d987bc7abd828c64f9dc745836ab.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/17/ee39657f-0a92-40a5-a3cd-7306eb8aba27.png?resizew=151)
【知识点】 空间距离公式的应用
【知识点】 关于坐标轴、坐标平面、原点对称的点的坐标
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ebbd5ba839e2e5a9a5146cdb0838c50.png)
【知识点】 求空间图形上的点的坐标