论文部分内容阅读
《中小学数学》(小学版)2012年第12期刊登了肖春友老师的《对一道小学数学教师招聘试题的探索》,原题是:“A、B两地相距20千米,有45人的团队从A地到B地,该团队雇了一辆限乘9人的马车,其速度是该团队步行速度的6倍,马车与团队同时从A地出发到B地,马车到B地后,立即回头,继续接团队余下人员,就这样往返于团队与B地之间,当团队所有队员都运到B地时,马车共行驶多少千米?”肖老师在此文中对题目作了详细的阐释,尤其对方法一、方法二的解题思路与过程进行了详细地描述。但对这道题本意以及肖老师的阐述笔者有不同看法。
“Primary and Secondary Mathematics” (12th Edition) 2012 No. 12 published Xiao Chunyou teacher “on a primary school mathematics teacher recruitment test exploration”, the original title is: “A, B two 20 km apart, 45 people Team from Site A to Site B, the team hired a carriage limited to 9 people at 6 times the team’s walking speed. The carriage and team simultaneously departed from Site A to Site B and the carriage to site B , Immediately turn back and continue to take over the rest of the team, so back and forth between the team and B, when all team members are shipped to B, the total number of kilometers of carriage? ”" Shaw in this article on the subject made Detailed explanations, especially for Method One, Method Two problem-solving ideas and processes were described in detail. However, I have different opinions on the subject and the explanation of Professor Xiao.