3n or Not против Math Training - Calculation - Использование & Stats
3n or Not is a game to quickly discrimination whether that number is a multiple of 3 or not.
- Apple App Store
- Бесплатный
- Образование
Рейтинг магазина
- -
You can choose levels you like from various levels of problems.
This is helpful for abacus training, too.
- Apple App Store
- Бесплатный
- Образование
Рейтинг магазина
- -
3n or Not VS. 
Math Training - Calculation -январь 8, 2025