Multiplication times table 883 views
n addition, I was equipped with flash mental calculation function. It becomes "fixed number of digits to one digit, two-digit, three-digit," "number of questions to 10 questions", "up to about 1 to 0.7 second display time" and "only addition" in the standard. "The number of digits can be set at a minimum to a maximum of the 1-7 orders of magnitude," "number of questions to 30 questions", "up to about 1 to 0.2 seconds to display time", "addition and subtraction" when you can purchase the release function within the app it becomes.
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