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In 1979, Nobel Prize winner Professor Li Zhengdao to the China University of Technology lecture, he gave the young students out of class so an arithmetic question: There are five monkeys found a pile of peaches at the beach and decided to split the next day. The next morning The first monkeys first came, it left sub-sub-inseparable from the right, toward the sea to throw one, just can be divided into five copies, it takes a walk on their own. No. 2,3,4,5 monkeys also encountered the same problem, using the same method, are thrown away after one, just can be divided into five copies. ask this pile of peaches at least how many. It is said there is no answer that students can make the spot. Professor Lee that the common method used is very complex, the problem lies in breaking the conventional thinking..