Reference book with answers and explanations to deepen understanding of high school mathematics I & A. - Title: Well-Understood High School Mathematics I & A - Publisher: Gakken - Price: 1980 yen - Series: Thoroughly Supports Daily Study! - Answers/Explanations: With answers and explanations - ISBN: 978-4-05-354689-0 Includes a separate volume of answers and explanations. Almost unused, in excellent condition. No writing. Please understand that this item has been stored by a private individual before purchasing.