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关于Blitzrechner +
学习基本的另外
A simple app to help you learn addition of numbers up to 20 with exciting statistics and a heatmap. The result sum doesn't exceed 23.
A student is offered a correct answer as well as a choice of answers similar to the correct one, so attention is required.
In case of a mistake, the question is put for a repetition in 3 and 10 steps after current.
No ads.
No IAP.
Works offline.
最新版本2的更新日志
Last updated on 2018年09月10日
First feature-complete version 2
视频和屏幕截图
Blitzrechner +历史版本
Blitzrechner + 2
17.4 MB2018年09月10日
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