1+2=3

1+2=3 is a simple, fun and educational math game in which all equations are designed around the numbers 1, 2, 3 and the operators plus and minus. Even the answer will always be 1 or 2 or 3. Sounds easy? It is, but you have only 3 seconds time to calculate or to decide what could be the correct answer. Increase your score with each equation solved in succession and unlock achievements while you play. The tasks are easy in the beginning.