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CHALLENGING PROBLEMS IN ALGEBRA by POSAMENTIER, S. ALFRED (Paperback - 1996) ISBN: 9780486691480 Subject: SCIENCE & NATURE Publisher: DOVER |
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CHALLENGING PROBLEMS IN GEOMETRY by POSAMENTIER, S. ALFRED (Paperback - 1996) ISBN: 9780486691541 Subject: SCIENCE & NATURE Publisher: DOVER |
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