價格：免費
檔案大小：27.7 MB
版本需求：需要 iOS 8.0 或以上版本。與 iPhone、iPad 及 iPod touch 相容。
支援語言：英語
Improve your mental maths skills with and Addition practice
- Fun and effective
- Encourages quick addition
- Great for improving mental arithmetic skills
- Challenge mode / play against the time & beat the clock
- from 7 and above
支援平台：iPhone, iPad