Show that a positive integer is divisible by 3 if and only if the sum of its
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Let the decimal expansion of the integer a be given by a a n la n 2 a 1 a 0 10 Thus a 10n1a...View the full answer
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Related Book For
Discrete Mathematics and Its Applications
ISBN: 978-0073383095
7th edition
Authors: Kenneth H. Rosen
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