Sinossi
The model mental arithmetic containing oral exercises for graded and grammar schools This book, "The model mental arithmetic", by Edgar Arthur Singer, is a replication of a book originally published before 1876. It has been restored by human beings, page by page, so that you may enjoy it in a form as close to the original as possible.
Le informazioni nella sezione "Riassunto" possono far riferimento a edizioni diverse di questo titolo.
