【小１算数 引算１桁穴うめ】　かんたん！反復問題集

It is a single-digit subtraction hole filled iteration problem collection for 1 year of elementary school.

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.

■ Supported OS

Android 4.0 or higher