The Surprise Attack in Mathematical Problems by Louis A. Graham

By Louis A. Graham

For many years, execs in utilized arithmetic and mathematical puzzle lovers from worldwide provided provocative difficulties to the puzzle columns of the Graham Dial. Upon the looks of an attractive challenge, readers wrote in to the Dial suggesting new methods to the answer, a few vastly simplifying the matter and others broadening its scope. This assortment offers fifty two of the best difficulties, all that includes the "surprise assault" and abounding in inventive and fascinating solutions.
The difficulties contain size of geometrical areas, percentages, distances, quantity structures except the decimal, fascinating quantity kin, relative movement, and the invention of the easiest resolution via simply logical ability. options contain such options as mathematics, algebra and geometry, quantity concept, information, networks, and inversion. a number of methods to the answer accompany every one challenge, or even the easiest of those signify now not the best resolution yet basically the main gratifying — so far.

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