伟大领袖毛主席指出:“中国是世界文明发达最早的国家之一”,“在中华民族的开化史上,有素称发达的农业和手工业,有许多伟大的思想家、科学家、发明家、政治家、军事家、文学家和艺术家,有丰富的文化典籍。”《九章算术》是秦汉之际的一部伟大数学著作, The great leader Chairman Mao pointed out: “China is one of the earliest developed countries in the world.” “In the history of the opening of the Chinese nation, there are many well-known agricultural and handicrafts industries. There are many great thinkers, scientists, inventors, politicians, Military strategist, writer and artist with a rich cultural classics. ”“ Nine Arithmetic ”is a great math book written by Qin and Han dynasties,