Do some oral calculation exercises every day to make your mind flexible, quick thinking and full of confidence.
This is a very interesting limited time oral practice game,
Need to quickly and correctly complete each crossing calculation problem;
The difficulty of oral calculation will gradually increase step by step;
The more you complete the oral calculation problem, the stronger the sense of accomplishment;
There is also a game score leaderboard to see everyone's ranking.
Right now, download the game and start your challenge!
