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...Polya s problem solving techniques in george published a book how to solve it which quickly became his most prized publication sold over one million copies and has been translated into languages this he identifies four basic principles of first principle understand the seems so obvious that is often not even mentioned yet students are stymied their efforts problems simply because they don t fully or part taught teachers ask questions such as do you all words used stating what asked find show can restate your own think picture diagram might help there enough information enable solution second devise plan mentions many reasonable ways skill at choosing an appropriate strategy best learned by will increasingly easy partial list strategies included guess check look for pattern make orderly draw eliminate possibilities simpler use symmetry model consider special cases work backwards direct reasoning formula equation be ingenious third carry out step usually easier than devising general need...