《中学生数》(初中版)2011年第1期下刊发的君国伟、付士水两位老师的《面积怎么没有变》一文,读后深受启发,但总有意犹未尽之感.于是作了进一步分析,探究了“面积怎么没有变”的原因,从而使我们更深刻地认识了此类问题. The number of “high school students” (junior high school version) published in 2011 under the first of Jun Guowei, Fu Shui-shu two teachers, “how the area has not changed,” a text, inspired by reading, but always interested feeling still untouched. Made a further analysis to explore the reason why there is no change in area so that we can understand such problems more deeply.