Percentages: Selling Problems, Profit & Loss

Apply percentage changes to solve simple selling problems. 中文版：[url]32888 百分數：買賣問題[/url] Anthony Or GeoGebra Institute of Hong Kong

Anthony OR 柯志明 — 16. dec. 2013 - 02.41

Licens: CC-BY-SA, GeoGebra Terms of Use
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