Sundai Preparatory School 2025 Textbook, Grade 11 Standard Mathematics ⅠAⅡBC Second Semester & Third Semester Mathematics Department, 3-hour classes Never used, so it's new and unused, with no writing. However, there are traces of a name sticker having been peeled off (see photo 2), so please understand and accept this before purchasing. Sundai, Textbook, Textbook, Kawaijuku, Yoyogi Seminar, Yozemi, Mock Exam, Mathematics, 1A, 2B, ⅡB, Ronin (Repeat Student), University Entrance Exam