【實用教育app】Sums|最夯免費app-綠色工廠好玩App

Who says maths can't be fun? Who says maths can't be beautiful? The Sums app aims to disagree!The Sums app provides you with random maths questions (addition, multiplication and subtraction) to put your mental maths to the test.There are 3 difficulty levels to put your brain through its paces, so why not give it a try?More features to follow soon!"Sometimes the questions are complicated and the answers are simple" Dr. Seuss