【小１算数 引算１桁】　かんたん！反復問題集（無料） 1.0.7

for Samsung Galaxy Note 10 1

It is a one-digit subtraction iterative problem collection for elementary school first grade.
Rather than buying a drill, rather than buying a collection of questions,
Repeat practice with free apps! Calculation is determined by the amount of iteration!

Let's improve academic ability by doing iterative calculation.

It is a format that selects answer to the problem from 4 options.

The question is randomly presented.
We will be asked 20 questions in a row continuously.

Supported OS
Android 4.0 or higher