"Chugaku Jiyū Jizai Mondai Shū Sūgaku" (Middle School Free Study Problem Collection: Mathematics) Chūgaku Kyōiku Kenkyūkai (Middle School Education Research Association) Price: ¥1550 Used by my child during their entrance exams. There are no markings as the answers were written in a notebook, but there may be folds or pencil smudges. Please understand that this is a used item before purchasing. I plan to discard it, so please feel free to negotiate the price. #HighSchoolEntranceExam #JiyūJizai #Mathematics