Calc24:Mental arithmetic game

These numbers do you calculate 24?

9 6 6 5
2 7 2 7
6 3 8 3
7 3 2 9

Of course, they can be.For example:（6*9）-（5*6）= 24

People in other countries who believe that China's arithmetic is very good, especially the

mental arithmetic.

This is because the Chinese people from an early age had training in this area.

In China, many people have played this game: two people come up with four digital card,the Card number is 0~10.Get 24 through arithmetic operations(addition, subtraction,multiplication or division).The first person to calculate the result is the winner

Calc24:Mental Arithmetic Game is this game as a prototype,required in a given period of time through mental arithmetic whether given four figures can be calculated 24, and then realize that the calculation step formula.

Use less time, the higher the score.

The game focus is mental arithmetic, to help children learn math, but also for adults casual puzzle game.

The entire game is simple, easy to start.I believe you can use this game without seeing the operating instructions.