價格：免費
檔案大小：40.8 MB
版本需求：需要 iOS 6.0 或以上版本。與 iPhone、iPad 及 iPod touch 相容。
支援語言：英語
Enjoy while solving equations. There are lots of random 4 operation questions. Just tap on the correct answer and proceed to next level. Every question has a time limit. As you progress in the game, questions will be harder. Enjoy.
支援平台：iPhone, iPad