About けいさん
5~6歳を対象にした一桁の足し算、繰り上がりのある足し算などを繰り返し練習することが出来るアプリケーションです。
繰り上がりのない足し算、繰り上がりのある足し算など問題の難しさを選ぶことが出来ます。 5-6-year-old single-digit additions that target, is an application where it can be to practice repeatedly, such as addition with the carry.
Up without addition repeatedly, you can choose the difficulty of the addition, such as a problem with the carry.