價格：免費
檔案大小：1.4 MB
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
This is an app that can train mathematics. You need to judge the given equation. If the equation is true, click the check button. If the equation is not true, click the error button. You will have 5 seconds to choose.
Come and challenge! good luck!
支援平台：iPhone