妙简珠心算提供20以内加减算式，根据所设数字个数为您随机出题，可调节间隔时间，可将较难题目加入题库，方便后续巩固练习。
珠心算-amcTraining
by 涛 宋
What is it about?
妙简珠心算提供20以内加减算式，根据所设数字个数为您随机出题，可调节间隔时间，可将较难题目加入题库，方便后续巩固练习。
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App Store Description
妙简珠心算提供20以内加减算式，根据所设数字个数为您随机出题，可调节间隔时间，可将较难题目加入题库，方便后续巩固练习。
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AppAdvice does not own this application and only provides images and links contained in the iTunes Search API, to help our users find the best apps to download. If you are the developer of this app and would like your information removed, please send a request to takedown@appadvice.com and your information will be removed.