價格：免費
更新日期：2019-02-15
檔案大小：1.4M
目前版本：1.0
版本需求：Android 4.4 以上版本
官方網站：http://www.thumbsuprevision.com
Email：thumbsuprevision@gmail.com
聯絡地址：167 Cottingley Road Allerton BD159LD
Simple to use and suitable for all ages and abilities. Get better, faster and more confident at addition, subtraction, multiplication and division.
Features:
- thousands of questions
- levels for all abilities
- gradual increase in difficulty
- gain points to collect gold stars