跳转到内容
Main menu
Main menu
move to sidebar
hide
Navigation
Main Page
Help
Browse
Cookbook
Wikijunior
Featured books
Recent changes
Random book
Using Wikibooks
Community
Reading room forum
Community portal
Bulletin Board
Help out!
Policies and guidelines
Contact us
Search
Search
Donations
Appearance
Create account
Log in
Personal tools
Create account
Log in
Pages for logged out editors
learn more
Contributions
Discussion for this IP address
目录
移至侧边栏
隐藏
开始
1
线定义
2
线的类型
切换目录
几何课程/线
Add languages
Add links
Book
Discussion
English
Read
Edit
Edit source
View history
Tools
Tools
move to sidebar
hide
Actions
Read
Edit
Edit source
View history
General
What links here
Related changes
Upload file
Special pages
Permanent link
Page information
Cite this page
Get shortened URL
Download QR code
Sister projects
Wikipedia
Wikiversity
Wiktionary
Wikiquote
Wikisource
Wikinews
Wikivoyage
Commons
Wikidata
MediaWiki
Meta-Wiki
Print/export
Create a collection
Download as PDF
Printable version
In other projects
外观
移至侧边栏
隐藏
来自维基教科书，开放的书籍，开放的世界
<
几何课程
线定义
[
编辑
|
编辑源代码
]
通过任意两点可以画一条直线。直线可以有任意长度，由两点之间的距离决定。
线的类型
[
编辑
|
编辑源代码
]
直线
垂直线
平行线
分类
:
书籍: 几何课程
华夏公益教科书
