TAILIEUCHUNG - Some Famous Problems of the Theory of Numbers and in particular Waring’s Problem, by G. H. (Godfrey Harold) Hardy

Chemical substances are often called 'pure' to set them apart from mixtures. A common example of a chemical substance is pure water; it has the same properties and the same ratio of hydrogen to oxygen whether it is isolated from a river or made in a laboratory. Other chemical substances commonly encountered in pure form are diamond (carbon), gold, table salt (sodium chloride) and refined sugar (sucrose). However, simple or seemingly pure substances found in nature can in fact be mixtures of chemical substances. For example, tap water may contain small amounts of dissolved sodium chloride and compounds containing iron,. | The Project Gutenberg EBook of Some Famous Problems of the Theory of Numbers and in particular Waring s Problem by G. H. Godfrey Harold Hardy This eBook is for the use of anyone anywhere at no cost and with almost no restrictions whatsoever. You may copy it give it away or re-use it under the terms of the Project Gutenberg License included with this eBook or online at Title Some Famous Problems of the Theory of Numbers and in particular Waring s An Inaugural Lecture delivered before the University of Oxford Author G. H. Godfrey Harold Hardy Release Date August 10 2011 EBook 37030 Language English Character set encoding ISO-8859-1 START OF THIS PROJECT GUTENBERG EBOOK FAMOUS PROBLEMS OF THEORY OF NUMBERS Produced by Anna Hall Brenda Lewis and the Online Distributed Proofreading Team at http This file was produced from images generously made available by The Internet Archive American Libraries. transcriber s note Minor typographical corrections and presentational changes have been made without comment. This PDF file is optimized for screen viewing but may easily be recompiled for printing. Please see the preamble of the DTgX source file for instructions. SOME FAMOUS PROBLEMS of the THEORY OF NUMBERS and in particular Waring s Problem An Inaugural Lecture delivered before the University of Oxford BY G. H. HARDY . . Fellow of New College Savilian Professor of Geometry in the University of Oxford and late Fellow of Trinity College Cambridge OXFORD AT THE CLARENDON PRESS .

• Hoá học
• Chemicals versus
• melting point
• solubility
• Substances versus mixtures
• fructose