The Complete Solution of Mathematics in the Fourth Grade of Primary School Textbook is a book published by Shaanxi People's Education Publishing House on June 20 10. The author is Xue Jinxing. The Complete Solution of Mathematics in the Fourth Grade of Primary School Textbook is an auxiliary learning textbook for primary schools, which has a comprehensive and three-dimensional interpretation of textbook knowledge, detailed knowledge explanation, novel style and thorough explanation of exercises.