Set of 4 books. The condition is as follows: "Chugaku e no Sansu (Mathematics for Junior High School) December 2021" * Used with writing on problems from December 1st to December 8th only. * Writing on the answer pages. "Chugaku e no Sansu (Mathematics for Junior High School) April 2022" * No writing. * This issue features characteristics of questions from famous, extremely difficult schools, and a past question pick-up special feature. "Chugaku e no Sansu (Mathematics for Junior High School) August 2022" * All daily practice problems from August 1st to 26th have been used, so please use them as a reference for solving methods. * Slight stains on the cover. "Chugaku e no Sansu (Mathematics for Junior High School) September 2022" * Used with writing on problems from September 6th only. * Stain on page 25. I think "Chugaku e no Sansu" can be useful for those who want to steadily study difficult problems in advance. I would be grateful if I could sell these to someone who understands that they are stored at home and are used items. #Book Chugaku e no Sansu Price: ¥1390 #Book