價格：免費
更新日期：2018-06-14
檔案大小：172k
目前版本：1.0
版本需求：Android 2.0 以上版本
官方網站：mailto:bonaventuranovellino@gmail.com
Improve your mental math skills: speed up skip counting and addition skills. It is a great brain exercise for math practice on the go. It also provides students, parents, and teachers with several tests about skip counting skills. Endless series of exercises to practice with.
