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拜读了文[1],笔者获益匪浅,了解了“说题”所要说的内容和一些常规操作程序,体会到比赛时的硝烟弥漫,更能欣赏到作者在时间有限情况下能想到五种巧思妙解的方法.笔者在高二期末复习时先给学生练习此题,再作讲评,真得体会到“民间”自有高手,也真的领略到各级专家常说的“预设”与“生成”的重要性.学生就是不朝你预设的方向走,而是另辟蹊径,出现精彩纷呈的“生成”.笔者整理出学生的解法,以飨读者.
I read the article [1], the author benefited a lot, understand the “say” Think of five kinds of ingenuity and clever way to solve the author at the end of the sophomore review to give students practice this question, and then make a comment, really have to understand the “private” own expert, but also really appreciate the experts often say “Preset ” and “Generate ” The importance of students is not to go in the direction of your default, but another way, there are brilliant “Generate ” The author sorted out the solution to the students, reader.