"Arithmetic Ping-Pong" is a game that trains players to do fast arithmetic.Players need to have a table tennis match with your opponent on the screen. Whenever he serves, observe the questions he asked you, and then choose the right racket to fight back.If you hit back quickly and correctly, you will get more points."Miss" will appear if you make a wrong selection or if you do not make a selection for too long. If you miss 3 times, the game will fail.Earn game points to unlock new rackets.