4 ms·

While on topic of Polya, his book 'How to solve it' is considered a classic on the topic of problem solving http://en.wikipedia.org/wiki/How_to_Solve_It http://

by yan 17y ago

While on topic of Polya, his book 'How to solve it' is considered a classic on the topic of problem solving http://en.wikipedia.org/wiki/How_to_Solve_It http://en.wikipedia.org/wiki/How_to_Solve_It