けいさん白書-数学/暗算トレーニング-
けいさん
About App
A calculation training app that solves a lot of mental calculations within the time limit.
Activate your brain by improving your judgment and concentration!
◆ Rule explanation
Developer info
Activate your brain by improving your judgment and concentration!
◆ Rule explanation
Solve many problems within 30 seconds.
The calculation method can be selected from [Addition/subtr">
けいさん
4
Rating29 MB
Download size40 MB
Install sizeAbout App
A calculation training app that solves a lot of mental calculations within the time limit.
Activate your brain by improving your judgment and concentration!
◆ Rule explanation
Developer info
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