Brain age measured in brain training addition calculation!
Answers on choosing the answer between 30 seconds!
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[Addition calculation practice mode]
(1-digit 1 digits) (2 digits 2 digits) (3-digit 3 digits) (1-digit 2 digits), such as,
This mode can addition practice by setting yourself.
[Brain Age measurement mode]
Answers on choosing the answer between 30 seconds!
Measure your brain age
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