在数学学习过程中,对课本的例题或习题深入研究,认真分析,从多角度研究其解法,不仅可以培养同学们良好的思维习惯,提高分析问题、解决问题的能力,还可以培养同学们学习数学的兴趣。笔者对北师大版七年级数学下册第五章第6节《利用三角形全等测距离》中的“想一想” In mathematics learning process, the textbook examples or exercises in-depth study, careful analysis, from a multi-angle study of its solution, not only can train students good habits of thought, improve the ability to analyze and solve problems, but also can train students to learn Mathematical interest. The author of the seventh edition of the Beijing Normal University version of Chapter V Chapter VI, “the use of triangular congruent distance” in the “think”