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我国著名数学家华罗庚先生曾指出，学习有两个过程：一个是“从薄到厚”，一个是“从厚到薄”．前者是“量”的积累，后者则是“质”的飞跃．教师在教学过程中，对所讲典型例题进行反思，对于引导学生完成所学知识中“量”的积累向“质”的飞跃这一转化，起着举足轻重的作...
The famous Chinese mathematician Mr. Hua Lugeng pointed out that there are two processes of study: one is “from thin to thick” and the other is “from thick to thin.” The former is the accumulation of “quantity” while the latter is the leap of “quality”. During the teaching process, teachers reflect on the typical examples that they teach. They are important for guiding students to complete the transformation of “quantity” accumulation to “quality” in the knowledge they have learned...