For fans of math puzzles, Quento will be a balm for the soul. The main characters of the game are numbers that are located on the playing field. Between them are the pros and cons. At the top of the screen, numbers will appear under the heading - these are the amounts that you must type on the field, connecting the necessary elements. If you have questions, go through the training level. Collect points for passing and try to make the most of right examples. The puzzle is useful and interesting for any categories of players.