■ research challenges are interested in is a good thing
■ three world-class problem,
Lu Ying-phase (left) and the first school educator in Xi'an to browse the answer reporter Huang Lijian photo
When Lu should be relative to that of many mathematical judgments and attitudes of experts, he said, the experts pointed out the faults, he has been understanding, but he will must persist to study this subject. Reporter Lizhi Yan
Department Director, the first secondary school in Xi'an, said Yuan Qin Qin, Lu should solve mathematical problems compared dedication to appreciate. She felt that ordinary people should be extra usual mathematical knowledge to real life, the study too should be based on the premise of real life.
■ proven, crack does not prop
However, angle trisection ruler was Through the Internet search found that,
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4 am, Mathematics and Information Science, Shaanxi Normal University, Associate Dean, PhD, Associate Professor Luo Xinbing back reporters, Lu should be relative to the paper,
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Luoxin Bing said that in the his
tory of mathematics, naturally there had been some ordinary people have made outstanding contributions to those who are interested in research problems is a good entity. He suggested that studying math mystery lovers should be elected in an intention, and then do a comprehensive knowing of the subject,
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12 月 3 afternoon, Xi'an, the first secondary school math teacher to help Lu 4 are verified to be his problem-solving methods. Lu should be in the demonstration phase, the teachers pointed out that his problem-solving preoccupied is correct, but there are step is to use the ruler to do in a straight line appearance the designated line parallel to the line, and this is not possible, Lu should be likened Although it has been out,
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telephone from the receiving phase Lu should be started,
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Spring Festival this year, he found the ancient Greek Internet three geometric problems.
51-year-old Lu Xi'an, a corporation should phase is construction worker who lives off South Street Wolong East Lane, junior middle school pedagogy. Spare time likes to study math problems, he had raised questions approximately pi, and their outlooks have been published in the diary.
Lu Ying-phase usage has been accustom a dozen, yet maximum are no feasible, in April of this year, thinks he finally has the right solution. Lu should be relative, said he thought problem solving is: premier,
sell louis vuitton bags, drawing an dictatorial angle AOB, the AOB of the right angle namely divided into three equal portions chord AB,
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the use of non scale ruler, compass trisection of whichever angle, is the antique Greek geometry problems of the three one. For thousands of years mathematicians have been proven not be fulfilled. Dec. 1, 51-year-old construction workman, Xi'an Lu should be relative to the public, told reporters he cracked this problem, but can not ascertain people to aid their validation.
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