This is a fun puzzle game. The rules of the game are very simple. Use 4 digital cards, plus, minus, multiply and divide, and calculate 24.
Now lets use your ingenuity quickly, which can effectively improve mental arithmetic and logical abilities.
This is a fun puzzle game. The rules of the game are very simple. Use 4 digital cards, plus, minus, multiply and divide, and calculate 24.
Now lets use your ingenuity quickly, which can effectively improve mental arithmetic and logical abilities.