跳轉到內容
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
內容
移至側邊欄
隱藏
開始
1
橢圓
切換內容表
幾何學/橢圓
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
外觀
移至側邊欄
隱藏
來自維基百科,開放世界的開放書籍
<
Geometry
橢圓
[
編輯
|
編輯原始碼
]
橢圓有時被稱為橢圓形。橢圓包含兩個焦點。從橢圓上的一個點到一個焦點的距離和從同一位置到另一個焦點的距離之和是個常數
類別
:
書:幾何學
華夏公益教科書