Is it difficult to detect the mathematical golden key 1+ 1?
Golden key 1+ 1 target detection mathematics is not difficult. According to related inquiries, Golden Key 1+ 1 Target Detection Mathematics is a book published on 20 12. This book is close to students, teachers, classroom and life, teaching is synchronous, knowledge and practice go hand in hand, teaching and learning, learning and practice are truly synchronized, knowledge system and topic types are rich, and scientific collocation of foundation and ability, classics and practice is emphasized.