くりあがりのトライ-小学1年生向け-繰り上がりの足し算・繰り下がりの引き算（算数）iPad用 app for iPhone and iPad

Games Education Educational Family
Developer: Frii Inc.
Current version: 1.1, last update: 7 years ago
First release : 14 Jan 2015
App size: 19.5 Mb