One By One Puzzle

One By One Puzzle - The modality of this game is to place all the spaces of the same positive value to be able to win and move to the next level.

Depending on the level you will find sums and / or subtractions, as well as positive and negative numbers. Spend some time having fun and putting the neurons to think with this one by one, and be careful, do not make mistakes or you will not be able to overcome the level and you will have to start from the beginning.

Have fun!