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Categoly:Game For mental exercises, do this easy "add", "negative", "multiplication", and "division"! ■Time Attack mode
[20]…The time you took and the number of correct answers out of 20 questions will be clocked up. ■Mental Calculation mode
The math formula will be disappeared after a certain period of time. |
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Time Attack & Mental Calculation
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Cipher quickly!
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OnlineRanking
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