This is a problem collection with explanations, containing the general entrance exam questions from the Faculty of Science and Technology at Keio University for the past five years. - Title: Keio University Faculty of Science and Technology 2023 - Series: University Entrance Exam Series 256 - Contents: Answers to general entrance exam questions from the past five years - Special Features: Problem collection with explanations - Publisher: Kyogakusha Thank you for viewing. As shown in the second photo, there are some writings, but I believe they do not affect solving the problems. I would appreciate it if you would consider purchasing this after acknowledging this. Price negotiations are always welcome.