Set of 3 books: ⅠA, ⅡB, and Ⅲ. (6 books total including answer keys) There may be some writing in them, but they are usable. 【Content Overview】 This textbook contains content specifically focused on learning Mathematics I+A. It has abundant problem explanations and exercises, providing ample support for deepening understanding. 【Features】 The explanation section organizes important points, allowing for efficient learning. It is especially suitable for students who want to solidify their mathematical foundation. 【Target Audience】 As a textbook for junior high and high school students, it will help deepen their understanding of mathematics. - Title: NEW ACTION LEGEND Mathematics I+A - Type: Textbook - Explanation Section: Explanation Edition Thank you for viewing.