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初中《代数》第二册安排了一项探究性活动:探讨a=bc型数量关系.徐州市中国石化管道中学初二(4)班的同学在老师的指导下,组成学习小组,走出课堂,到社会中去调查研究,寻找a=bc型数量关系的背景材料.在活动中同学们不仅找到了问题的答案,也了解到数学对生产、生活的意义和价值,增强了社会责任感.下面选载的是部分同学在课堂上的交流发言,我们希望同学们都来关注数学在生产、生活中的应用,并且欢迎大家把自己的发现整理成文后寄给我们, ——编者
The junior school Algebra II arranges an exploratory activity to explore the quantitative relationship between a and bc. The classmates of the Primary 2 (4) class of Sinopec Pipeline School in Xuzhou City form a study group under the guidance of the teacher and go out of class. Into the society to investigate and research, looking for background material of a=bc type quantitative relationship. During the activity, the students not only found the answer to the question, but also learned the significance and value of mathematics to production and life, and enhanced the sense of social responsibility. It is part of the classmates who exchanged their speeches in the classroom. We hope that the students will pay attention to the application of mathematics in production and life. We welcome everyone to send us their findings and send them to us. - Editors