前不久,小阿姨从南京出差回来,我缠着她问南京的见闻。小阿姨耐心地和我讲了一大堆,然后乐呵呵地问我:“小宸,我是3月份出差的,去了5天。回家后我撕下了这5天的日历,发现这5天的和为67。那么,我是几号出发的呢?”我自信满满地说:“小阿姨,你就瞧我的吧。”我取出纸笔,算了起来。小阿姨连续出差5天,这5天的日期相加之和为67,相当于5个连续的自然数的和是67。根据我所学的知识,我知道67必定是这5个连续 Not long ago, aunt returned from a business trip in Nanjing, I am pestering her knowledge of Nanjing. Little Aunt patiently told me a lot, and then cheerfully asked me: “Little Chen, I was on a business trip in March, went for 5 days. I went home and tear off the 5-day calendar and found And these five days and 67. So, what am I starting from? ”I said confidently: “ Little Aunt, you look at me. ”" I took out the pen, forget it. Small aunt continuous travel 5 days, the sum of these 5 days and the sum of 67, the equivalent of 5 consecutive natural numbers and is 67. According to the knowledge I have learned, I know that 67 must be the 5 consecutive