Essence of Solutions: Mathematics for High School - Functions and Coordinates Edited by Tokyo Shuppan Henshubu Price: ¥1300 #TokyoShuppanHenshubu #Books #Nature/Mathematics As seen in the photos, there are writings and check marks on 10 pages up to page 46. No writings were found after page 47. In photo 6, there are pencil calculations on the bottom of page 24 that were erased, but traces remain. Other pencil writings have been erased, but there may be some remaining or overlooked. There is also a feeling of use, so please consider if you understand. (Listed R7.12.4 ¥400)