A problem collection for junior high school mathematics, covering problems from basic concepts to functions. - Title: Jiyujizai Problem Collection Mathematics Junior High School - Level: Junior High School - Publisher: Juken Kenkyusha - Features: Problem collection from basic concepts to functions - Key Points: A super problem collection to build Jiyujizai's skills Thank you for viewing. There is no damage or writing. Please forgive any imperfections due to home storage and amateur inspection. Thank you very much.