论文部分内容阅读
一、提出问题2011年北大等十三校联考(北约)自主招生考试数学试卷的压轴题是:求|x-1|+|2x-1|+|3x-1|+…+|2011x-1|的最小值.如何求?二、探究思路引例1函数
First, to ask questions In 2011, Peking University and other thirteen school entrance exam (NATO) self-enrollment examination mathematics papers finale title is: seeking | x-1 | + | 2x-1 | + | 3x-1 | + ... + 1 | minimum. How to find? Second, to explore ideas cited Example 1 function