Thank you for viewing this product from among many others. This is a textbook that allows you to practice exercises for each unit you want to study. I used to copy the contents, so there are no writings inside. The overall condition is good, but as shown in the photo, the back of Volume II・B is folded and has creases. Also, there is a name written on it. If you purchase it, I will cover the name with a marker before shipping. I erased the name written in pencil on the answer key, but I apologize if the erasure marks bother you. Mathematics problem set for the university entrance common test. - Title: Mathematics I・A Unit-Specific Problem Set, 2nd Edition - Title: Mathematics II・B・C Unit-Specific Problem Set, 2nd Edition - Publisher: Kenkyusha Publishing - Contents: Problem set for the university entrance common test - Format: With explanations