《中学生数学》2012年第5期(下)刊登了聂启恩老师的文章《一次函数错解分析》.文中针对同学们易错的情形总结得很全面,对师生的教学都有极大的帮助.现将文中例6及其错解与正解摘录如下:题函数y=(m-1)x|m|-1+(m-3)x+1,当m为何值时,它是一次函数. “Secondary School Mathematics” 2012 the fifth period (below) published Nie Qien teacher’s article “primary function misunderstanding analysis.” The article for the classmates error-prone situation is very comprehensive summary of teachers and students have a great help in teaching . Now the text in Example 6 and its misconstructed and positive solutions are extracted as follows: The question function y = (m-1) x | m | -1 + (m-3) x +1, when m is the value, it is a function .