Автор работы: Пользователь скрыл имя, 19 Декабря 2011 в 13:58, доклад
In the class of 30 students studying 12 girls and 18 boys, aged - 10 students - born in 1992, 10 students - born in 1993, 10 students - born in 1994. As physical development belong to the main group of physical education classes.