以有趣的方式制作的算术训练器。大人小孩都适合！
Fun arithmetic trainer for arithmetic operations like addition, subtraction, multiplication and division. In addition to training your ability to calculate quickly in your head, the game also trains your attention, as the correct answers have to be sought from some of the suggested variants. The number of variants increases with each level, which increases the difficulty of the game.
Have fun and great victories!