【小２算数 九九穴埋め】　かんたん！反復問題集

This is a fill-in-the-blank ninety-nine iteration problem collection for second grade.

Rather than buy a drill, rather than buy a collection of problems,

Repeated practice in the free app! Calculation is determined by the amount of repetition!

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

· () × 5 = 25

· 7 × () = 63

■ Supported OS

Android 4.0 or higher