フラッシュ暗算（あそんでまなぶ！シリーズ）

Flash mental calculation app to answer the total by adding the digits that are displayed one after the other on the screen.

[Training mode]

In the training mode you can play by changing the following settings.

- Digit number

· Display interval

- Number of questions

You can play anyone until the difficult problem from a simple problem.

[Challenge Mode]

You can challenge the rankings in four of the degree of difficulty in the challenge mode.

Aim the top ranking in the degree of difficulty that suits you!