Sumarai应用说明 A maths brain trainer for all ages.Learn maths and have fun with numbers.Swipe numbers on rows or columns to substract them from your goal. Try to make it with the fewer number of moves.Improve your mental ability in adding and substracting numbers, as well as the strategy to reach your goal with the wisest calculations.
画面：8.1
操作：9
音效：8.5
场景：7.7
