Want to quickly improve your mental arithmetic skills? We are very happy to tell you that 「Arithmetic trainer」is the app you are looking for.
「Arithmetic trainer」 improve your addition, subtraction, multiplication, and division operations skills in mathematics with fun competitions, allowing you to bid farewell to boring math exercises. It will make you happiness when it improving your computing skills ^_^. It can quickly help you improve your oral arithmetic and mental arithmetic skills in a short time, and contains Solving rankings and coins rankings. You can easily get your rankings from the entire network, grasp your own shortcomings and make corrections to the practice methods in time, download and experience it now ^_^