MULTIPLICATION TABLES 10 DAYS (appinventor.ai_neuro098765.MultiplicationTables) on Google Play
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"Learning multiplication tables in 10 days dedicating an hour a day?It is possible, as long as you remember that you do not count the time learning, but how often you repeat the exercise.In this system, one exercise spend less than 3 minutes. The number of repetitions of the day - a minimum of 7 (depends on individual predispositions), first repetition of the new table after half an hour - and the next every hour."