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2005年2月号数学潜能知识竞赛试题刊出后,广大读者纷纷参赛,第14题写得好的同学有许多,下面摘录几例,以供参考.
After the 2005 issue of the Mathematics Potential Knowledge Challenge was published, many readers entered the competition. There are many well-written students in the 14th question. Excerpts below are for reference.