去年放暑假前,老师给我们布置了一些暑期实践活动作业,其中有一项是让我们收集一些废旧的纸张,利用它们制作一些小工艺品。一天,我按照老师的要求收集了一些正方体和长方体的纸盒,想制作一些工艺品传到网上去。这时,爸爸回来了,知道我的用意后,爸爸说:“其实,这里也存在一些数学问题。”我问爸爸:“这些纸盒也有数学问题?”爸爸说:“是的!想在活动中发现问题, Before the summer vacation last year, the teacher arranged for us some summer practice activities. One of them was for us to collect some used paper and use them to make some handicrafts. One day, according to the teacher’s request, I collected some cartons of cubes and cuboids and wanted to make some handicrafts to the internet. At this time, my father came back, knowing my intention, my father said: ”In fact, there are also some mathematical problems. “ I asked Dad: ”These cartons also have mathematical problems? “ Dad said: ” ! Want to find problems in the event,