Igor Georgievich Sukhin is an author known primarily for his original collections of literary quizzes, tests, crosswords, and a methodology for effective chess learning. This book contains unusual and amusing mathematical problems and puzzles on underdeveloped topics. Among them are:...
numerical horizontals, Latin squares, digits in letters, numbers in sentences, mathematical paths, arithmetic puzzles without numbers, and many others.
Igor Georgievich Sukhin is an author known primarily for his original collections of literary quizzes, tests, crosswords, and a methodology for effective chess learning. This book contains unusual and amusing mathematical problems and puzzles on underdeveloped topics. Among them are: numerical horizontals, Latin squares, digits in letters, numbers in sentences, mathematical paths, arithmetic puzzles without numbers, and many others.
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