  1991 - Understanding Algebra Revised (Hardcover) ISBN-13: 9780070035669 ISBN-10: 0070035660 Genre: Substores ?    Trigonometry (Hardcover) → Paperback, Hardcover ISBN-13: 9780070035676 ISBN-10: 0070035679 Genres: Science & Math, Engineering & Transportation ?  Algebra a First Course (Paperback) → Paperback, Hardcover ISBN-13: 9780534103323 ISBN-10: 0534103324 ? |
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