在包含情境中，利用 1 ÷ a/b = b/a的結果，理解 [i]x[/i] ÷ a/b = [i]x[/i] × b/a 。
Anthony Or. GeoGebra Institute of Hong Kong
orchiming@gmail.com
English version: http://www.geogebratube.org/material/show/id/116511
- Target Group (Age)
- 11 – 14
- Language
- Chinese Traditional / 繁體中文
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