價格：免費
更新日期：2019-02-27
檔案大小：8.1 MB
目前版本：1.1
版本需求：需要 iOS 11.0 或以上版本。與 iPhone、iPad 及 iPod touch 相容。
支援語言：法文, 英語
SUBTRACTION CHALLENGES is a FREE educational app for elementary students who wish to improve their math skills. The calculation of the subtraction is intermediate to advanced, which takes 2 natural numbers or decimals (up to 5 digits).
Practice every day and put your speed to the test with a countdown timer (configurable).
支援平台：iPhone, iPad