Smart Mental Arithmetic Trainer for children, the good tool help you learn maths:
1. Summarize the topic records and details, classify the correct and wrong answers.
2. Records for time-consuming, correct rate, number of topics per day.
3. Smart alarm clock reminder.
1. Summarize the topic records and details, classify the correct and wrong answers.
2. Records for time-consuming, correct rate, number of topics per day.
3. Smart alarm clock reminder.
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