透過四邊形的邊長及有否直角或平行邊等特性來將四邊形分類。
柯志明
香港 GeoGebra 學院
orchiming@gmail.com
(English version: http://www.geogebratube.org/material/show/id/470)
- Target Group (Age)
- 6 – 10
- Language
- Chinese Traditional / 繁體中文
Error
A timeout occurred. Trying to re-save …
Sorry, but the server is not responding. Please wait a few minutes and then try to save again.
