Mathematical game on the Android-based device to secure the folding skills in mind numbers. The player will need one minute to clear the playing field by adding the numbers in a specific amount and is issued each time randomly. The solution to this puzzle is high only on the skills of the speed of addition. Download the file:
Attention! All files are posted with the permission of the authors of the applications or found in free access on the Internet, if any of the files violates your rights, Let us know about it