2024/2025 edition math textbook set, problem collection for difficult schools. - Title: Standard Methods for Entrance Exam Math (Problem-Solving Patterns) - Series: Advanced Math Completion I A I B C - Year: 2024/2025 - Author: Mathematics Research Group - Model Number: E12301 - Model Number: E11201 - Model Number: E2401 Thank you for viewing. Please purchase with the understanding that these items have been stored at home, referring to the photos. No claims or returns accepted. * We do not offer discounts or sell items separately.