4Operations - Brain training puzzle game
This is a very simple rule, and easy operation brain training puzzle game.
Use only four arithmetic operations.
For brain training.
For calculation training.
For intellectual training.
- How to play -
1. All the numbers of the box to the same value.
2. High speed battle in 30 seconds.
3. Operation in the flick.
Up +1, Down -1, Left /2, Right x2.
4. The value can be changed in the 1 to 99.