Math Shortcuts to Ace the SAT & PSAT
Publisher: Achievement Publishing (NY)
Published: September 1996
Language: eng
Format: Paperback
Number of pages: 101
ISBN-13: 9781882228003
Subjects: Mathematics; Arithmetic; College Entrance; SAT & PSAT; Examinations, questions, etc; Study Guides
First sentence: If the sum of the digits of a number is divisible by 3, then that number is divisible by 3.