Mathematical Gems III (Dolciani Mathematical Expositions)
Edition: New Ed edition
Publisher: The Mathematical Association of America
Published: September 11, 1997
Language: eng
Format: Paperback
Number of pages: 260
ISBN-13: 9780883853184
Subjects: Mathematics; Science/Mathematics; Mathematics / General; Number theory; Combinatorial analysis; Geometry
First sentence: No matter which 55 positive integers may be selected from (1, 2,..., 100), prove that you must choose some two that differ by 9, some two that differ by 10, some two that differ by 12, and some two that differ by 13, but that you need not have any two that differ by 11.