Joseph Degrazia
Emerson Books | 1976 | 158 páginas | PDF | 6 Mb
This book is the result of twenty years of puzzle collecting. For these many years I have endeavored to gather everything belonging to the realm of mathematical entertainment from all available sources. As an editor of newspaper columns on scientific entertainment, I found my readers keenly interested in this kind of pastime, and these readers proved to be among my best sources for all sorts of problems, both elementary and intricate.
Outro livro do mesmo autor, disponível no blog:
- Math tricks, brain twisters, and puzzles (1981). Bell Pub. Co
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