Mathematical Recreations and Essays (11th Rev. Ed) - download pdf or read online

By W.W. Rouse, BALL

ISBN-10: 0486253570

ISBN-13: 9780486253572

This vintage paintings deals rankings of stimulating, mind-expanding video games and puzzles: arithmetical and geometrical difficulties, chessboard recreations, magic squares, map-coloring difficulties, cryptography and cryptanalysis, even more. "A needs to so as to add on your arithmetic library." — the maths instructor. Index. References for extra learn. comprises one hundred fifty black-and-white line illustrations.

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Additional resources for Mathematical Recreations and Essays (11th Rev. Ed)

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Accompanying diagram. Each circle contains one or more numbers, and the circles are joined by straight lines. The safe combinations are as follows: (i) two numbers in any cirele, such as (8, 13) or (5, 12); (ii) three numbers, one from , H. E. Dudeney, Phe Canterbury Puzzle8, London, 1919, pp. 118, 220. 4:0 [cu. HATHEHATICAL RECREATIONS AND ESSAYS I each of three circles which lie along a straight line, such as (8, 11, 15) or (4:, 6, 7); (iii) four numbers, one from each of four circles which lie along two straight lines, excluding the circle at their intersection, such as (1, 2, 6, 16) or (1, 3, 6, 11).

S/296 1 or ·012M + ·98765 =- 1. and 50 + 49 + 1/2 + 38/76 =- 100. ) ill 2 + 3 + 4: 6 +6 7 8 X 9 - 100. where the digits occur in their natural order. 0:::: + + + + Note. Page 28. There are several solutions of the division of 24 ounces under the conditions specified. One of these solutions is &8 follows : The veueIa can contain. • Their contents originally are First. make their contents • Second. make their contents Third. make their contents • Fourth. make their contents Fifth. make their contents • Lastly.

We ought to settle who shall be your heir. " The proposal seemed reasonable. As the process of selection went on, the farmer grew more and more astonished as he • Bachet, problem DIll, p. 174:. The same problem had been previously enunciated by Tartaglia. TIOAL UOBEATlON8 AND ESSAYS [OB. Dotioeci that the first 14: to disappear were children by his first wife, and he observed that the nut to go would be the last remaining member of that family. 80 he suggested that they should see what would happen if they began to count backwards from this lad.

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Mathematical Recreations and Essays (11th Rev. Ed) by W.W. Rouse, BALL

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