Расчетная практика
Do mental arithmetic for 1 minute every day to train your brain.
It is also useful for calculation practice.
Last updated on 09/11/2021
Minor bug fixes and improvements. Install or update to the newest version to check it out!
Последняя версия
1.4
Требуемая версия Android
4.4 and up
Available on
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1 Minute Mental Arithmetic
1.4 by Hirokazu Uno
09/11/2021