【小２算数 時間】　かんたん！反復問題集 1.0.13 Apk

It is a "time calculation" iteration problem collection for second grade. By performing the iterative calculation, let's improve the academic achievement. This is the format to choose the answer to the problem from 4 択. Problem will be questions at random. 20 questions per times it will appear on the exam in succession. ■ Problem example What is 2 hours? And What fraction 1 hour and 20 minutes? What fraction 90 minutes What time? ■ Supported OS Android 4.0 or higher