價格：免費
更新日期：2016-07-10
檔案大小：23.9 MB
目前版本：1.0
版本需求：需要 iOS 9.0 或以上版本。與 iPhone、iPad 及 iPod touch 相容。
支援語言：英語
Improve your subtraction skills with your own customizable mad minutes. Math Minutes - Subtraction, is a self-paced tool that can be used to practice as many subtraction problems as possible. (Available on iPhones and iPads).
The full version includes:
* Difficulty selection depending on your math skills or level
* Timer that records your speed
* Score tracker
支援平台：iPhone, iPad