フラッシュ計算 ５０のレベル分け脳トレアプリ

This app will be a flash mental arithmetic brain training app where you add the numbers displayed on the screen in order and enter the answer.

[Normal mode]
According to the page you want to understand
- Number of questions displayed
·number of digits
・Time (faster or slower)
becomes configurable.

[50 level division mode]
There is also a level setting from 1 to 50 for the first time.
If you are good at it, please try to clear up to 50! !
*If you answer 4 out of 5 questions correctly, your level will go up! !