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Title: Great math problems, questionable explanations
Review: This math book is a great problem book but seems to lack in some explanations of the concepts. Also, the book contains some extranneous concepts and formulas and does not necessarily present the material in a friendly manner. The book is very straightforward--something which I find to be important in a mathematics book. The problems are interesting and challenging, but the book should provide solutions to all of them, not just some.
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