A Komachi calculation app that allows you to improve your calculation skills while playing.
Let's rearrange the four numbers and symbols to make the calculation result 10.
Numbers and symbols can be moved by dragging.
Unlike normal Komachi calculation, 1 and 2 can be combined to make 12, so
You can also solve it easily.
Children can enjoy it too.

Questions are randomly generated permanently.
The faster you answer with a simple formula, the higher your score.
If you answer 10 questions or more, you will be ranked.