"National High School and Difficult Private High School Entrance Exam Prep Advanced Problem Collection: Mathematics" Price: ¥1,320 #Books #BOOK #ReferenceBooks This problem collection contains difficult problems for preparing for entrance exams to national high schools and difficult private high schools. By solving carefully selected high-level past exam questions, you can steadily develop the skills to pass the entrance exams. A separate answer booklet with detailed explanations is also included, so you can learn how to solve problems you couldn't solve. Finally, a mock exam is also included to test your skills. - No writing - Separate answer booklet included - Clean condition"