Add this copy of Addition and Subtraction of Rational Numbers to cart. $12.25, good condition, Sold by BookDepart rated 4.0 out of 5 stars, ships from Shepherdstown, WV, UNITED STATES, published 1974 by Harper's College Press.
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Seller's Description:
UsedGood. Softcover with stapled binding; Arithmetic: Developing Concepts and Skills, AR-7; fading and shelf wear to exterior; in good condition with clean text.
