Only problems not solutions
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Florentin Smarandache
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Library
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1991
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Xiquan Pub. House
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English
โ 465 KB
The problems are primarily in the area of number theory, which as the luminary Paul Erdos often said, makes them easy to state and understand, but hard to prove. If you are interested in problems that will frustrate and fascinate you, check out the ones in this book.