APKPure Appを使用する
Multiplication tablesの旧いバージョンをダウンロードすることが可能
掛け算の九九を学ぶための最良かつ最も簡単な方法！
A great app to learn maths: multiplication tables. With this simple app you'll just pick a number from 1 to 20 and you'll get its corresponding multiplication table so that you can memoriza all multiplications.
It's so simple and easy to use.