【Overview of the Textbook】 This book is a problem collection for mathematics, aimed at the 2025 Common Test. It is divided into three sections: Mathematics I & Mathematics A, Mathematics II & Mathematics B, and Mathematics II & Mathematics C. 【Level-Specific Problem Sets】 Each problem set is set at a different level, corresponding to levels 3 and 4. This allows examinees to tackle problems that match their abilities. 【Features of the J Series】 The J Series is a textbook specifically designed for exam preparation, supporting efficient learning. Detailed explanations are provided for each problem, helping to deepen understanding. - Title: Common Test Mathematics I & Mathematics A 2025 - Publication Year: 2025 - Level: 3 - Series: J Series - Title: Common Test Mathematics II & Mathematics B 2025 - Level: 4 - Series: J Series - Title: Common Test Mathematics II & Mathematics C 2025 Thank you for viewing.