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可在安卓獲取Rule of three的歷史版本
三，單复規則。交叉乘積
Use the app Rule of Three to calculate rule of three simple direct, simple inverse, Compound simple, Compound inverse and composite.
Cross multiplication calculator to solve problems of rule of three
最新版本1.0更新日誌
Last updated on 2018年11月09日
Minor bug fixes and improvements. Install or update to the newest version to check it out!
翻譯中...
Rule of three
1.0 by CoolAppClub
2018年11月09日