This is a revised edition study guide that provides an easy-to-understand explanation of the content of Mathematics I and A. - Title: Easy High School Mathematics - Author: Hiroshi Kisakiyama - Price: 2,050 yen - Edition: Revised Edition - Contents: Study guide for Mathematics I and A Only a few pages have markings from a highlighter or check marks (as shown in the photos). Feel free to contact me! Price reduction is also possible ◎ Thank you for looking.