“征题征解”栏目开办后,编辑部收到很多来自全国一线教师寄来的有趣的、开放的数学题,经过筛选,本期选编了一些有关“长方体和正方体”内容的趣题,这些题分别由江苏灌南县第二实验小学祝家林老师和重庆市云阳县普安小学丁学明老师提供。希望广大教师积极参与解答或者让自己的学生作答,并将解答过程寄来,我刊将择优选用。欢迎大家提供一些新颖、有趣的试题,使广大教师能从中感受到新课程理念下的命题呈现方式。 After the “Sign Solicitation” section was opened, the editorial department received a lot of interesting and open math questions from front-line teachers across the country. After screening, this issue selected some interesting topics about the contents of “Box and Square” The questions were provided by Zhujia Lin, a second experimental primary school in Guannan County, Jiangsu Province, and Ding Xueming, a teacher at Pu'an Primary School, Yunyang County, Chongqing Municipality. Hope that the majority of teachers actively involved in the answer or let their students answer, and send the answer process, I will choose the best selection. Welcome to provide some new and interesting questions, so that teachers can feel the proposition of the new curriculum concept presented.