Subtraction Drills - Flashcards|教育線上App不用買

Flashcard type drills for children recently introduced to subtraction.Select a number 1 through 10, and random cards will be presented of that number and another number between 0 and 20. Or select ALL to do 1 through 10 randomly. Get 1 point for each correct question. Lose 1 point for each wrong answer. For positive reinforcement, the character says things like "yes" and "I knew it" for correct answers. (There is no audio for wrong answers.)

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熱門國家	系統支援	版本	費用	APP評分	上架日期	更新日期
未知	iOS App Store	1.0 App下載	$0.99		2012-09-22	2015-06-04

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