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版选修2_1201901155138.ppt

上传人：孙刚 文档编号：963804 上传时间：2019-03-10 格式：PPT 页数：56 大小：5.31MB
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第3章 空间向量与立体几何,3.2 空间向量的应用 3.2.2 空间线面关系的判定,e1e2,e1e2,e1n1,e1n1,n1n2,n1n2,向量法证明平行问题,向量法证明垂直问题,利用向量法证明平行、垂直关系,谢谢观看,

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