A reference book that provides a detailed explanation of fundamental problems in Mathematics II・B and I・A. - Title: Mathematics II・B Fundamental Problem Elucidation - Title: Mathematics I・A Fundamental Problem Elucidation - Number of pages: 146 pages - Publisher: Obunsha I checked the contents for about a minute, and it appears there are no markings. However, there may be oversights, and there might be some scribbles or spiral binding issues. Please refrain from purchasing if you are sensitive to these issues or seek a perfect item. (Some items may have minor scribbles.) Please assess the product condition based on the photos and purchase with your understanding. If there are any scribbles that significantly hinder your study after purchase, please contact me without confirming receipt upon arrival. I will cover the return shipping costs if you contact me within two days of arrival. Please purchase only if you understand that this is a used item. Thank you for viewing.