论文部分内容阅读
本文通过实例阐明“以退为进”的数学解题策略.概括出三种“退”的型式:从一般退到特殊;从正面退到反面;从整体退到部分.通过转化,达到解题的目的.
This article illustrates the “retreat for progress” mathematical problem solving strategy through examples. Summarizes three types of “retreat”: from general retreat to special; retreat from the front to the back; retreat from the whole to the part. Through transformation, reach the problem the goal of.