Southville International School and Colleges

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Alfarez, Merle S.

Mental math tricks : Addition techniques / Merle S. Alfarez. - Quezon City : MSA Publishing House, 2012. - 139 p. : ill. ; 23 cm.

ISBN: 9789718740897

Subjects--Topical Terms:
Mathematics.

LC Class. No.: QA135.6 / .Al385 2012