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浙江教育出版社出版的义务教育教科书七年级下册数学第44页有一道例题,讲述的内容是关于用正方形、长方形纸板做成横式纸盒和竖式纸盒的配套问题.在课堂教学活动中,对此问题进行了简单而又平常的延伸和拓展:增加正方形和长方形纸板的数量,还能恰好配套完整吗?有人给出了这样的回答:原有的纸板已经恰好配套完整了,那么只用考虑剩余的部分纸板能否恰好配套即可.一石激起千层浪,对于这个回答,大家讨论异常激烈.围绕配套问题,我们不得不深入思考:
Zhejiang Education Publishing House published compulsory education textbook seventh grade mathematics book on the next page 44, there is an example, about the use of square, rectangular cardboard made of horizontal cartons and vertical cartons supporting issues in the classroom teaching activities , This issue has been simple and normal extension and expansion: the increase in the number of square and rectangular cardboard, but also just complete complete? Someone gave the answer: the original cardboard has been completed exactly, then Only consider the remaining part of the cardboard can match exactly.A stone aroused Melaleuca waves, for this answer, we discuss the extremely fierce.Around the supporting issues, we have to think in depth: