[b](Modified for HTML5 on 21 Nov 2013)[/b]
向學生展示一個數的分數倍數的意義,並發現 a/b × c/d = (ac)/(bd)。
English version: http://www.geogebratube.org/material/show/id/18168
柯志明
香港 GeoGebra 學院
- Target Group (Age)
- 11 – 14
- 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.