笔者阅读了2016年1-2月《中小学数学(初中版)》中“真假相反意义的量与真假正负数”一文,该文作者认为教材中的例子:零上13℃和零下2℃;升高1.2米和下降0.7米;收入500元和支出237元;向东行驶3.5千米和向西行驶2.5千米等都不是真正具有相反意义的量,笔者对此产生了不一样的观点.不久之后笔者所在课题组提出了一个学生在复习时碰到的 The author read the 2016 January-February “primary and secondary mathematics (junior high school version)” in the “meaning of the true meaning of false positives and negatives,” a text, the author of the textbook examples: zero above 13 ℃ And minus 2 ℃; 1.2 meters higher and 0.7 meters lower; income of 500 yuan and expenditure of 237 yuan; 3.5 kilometers to the east and 2.5 kilometers to the west and so are not really the opposite sense of the amount, the author of this Not the same point of view soon after the author’s group proposed a review of the students encountered