Ideal math practice book for the Common Test. Includes answer and explanation section. - Title: Common Test Practice by Subject: Mathematics I・A/II・B Revised Edition 2nd Edition - Publisher: Z-KAI, Edited by Z-Kai Editorial Department - ISBN: 978-4-86311-845-8 Published in 2021. There are 4 pages of pencil markings in the main text. About 4 questions from Chapter 15, Vectors, have been solved. I erased the pencil marks I noticed, but there are eraser marks. Other than the above, it seems that the book has not been used, but there are other stains, folds, and scratches from storage. Please understand that this is a used item stored at home before purchasing. *Also selling chemistry Common Test practice questions! If you purchase multiple items, I will discount the shipping cost.