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Grades 6 - 8 Pre-Algebra Topics include fractions, decimals, percents, exponents, order of operations, positive and negative numbers, expressions and more Our proven step-by-step metho Product #: doublemastercorp-Grades 6 - 8 Pre-Algebra 2023-05-21 Regular price: $HKD$145.9 Available from: DOUBLE MASTERIn stock