The mathematical knowledge playground for children. With the mathematical play to play over time. But smart time calculation does not dry hard. By falling from the ground to the ground it is time consuming. You can also slow down the speed of the operation by using parachutes. There are 3 umbrellas for you to use every time you play. The math in the game will have increased difficulty. Addition, subtraction, multiplication, division, and termination also increase units. Networking gives students a mathematical approach in a whole new way. Mathematics for kids.
