Ross, Debra, 1958- Master math basic math and pre-algebra / [electronic resource] : Basic math and pre-algebra [electronic resource] by Debra Ross. - Franklin Lakes, N.J. : Career Press, c1996. - 1 online resource. Includes index. ISBN: 9781564142146 9780585305523 (electronic bk.) Subjects--Topical Terms: Mathematics. LC Class. No.: QA39.2 / .R6547 1996