查人人中国名人网除雪铲价格:脑紧急转弯
来源：百度文库 编辑：查人人中国名人网 时间：2024/04/28 03:49:38
直路等，每人15km
转圈接力或直路接力，每人平均3km
15km
15151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515151515
题目有歧义吧，“5个人换着背书包他们走了15KM”，可以指5个人走的路程一共是15km，那么5人平均每人走了3km；题目也可以理解为5个人各自走过了15km的路程，那么5人平均每人走了15km。
他门平均走了15km,如果是每个人背着书包走的路程就是3km.
他门平均走了15km,如果是每个人背着书包走的路程就是3km.
15km！！！
只说换着背书包！！！！