【實用書籍app】I learn math for fun|最夯免費app-綠色工廠好玩App

Teach your child to the basics of arithmetic in an exciting way!“I do sums” is a supplement developed under the guidance of professional educationalists and contains illustrative problems with basic arithmetic operations.Learning has never been so interesting!Intuitively understandable guidanceSerious pedagogical foundationsWe are learning while playing!Is suited for children between 4 and 7 years of age.