题目如图1,四边形ABCD是一块平行四边形形状的田块,M为水井处,现要把这块田地平均分给甲、乙两户人家,为了方便用水,要求水井应在分界线上.请你划出分界线,并给予证明.乍一看,这题好像无从下手.笔者把这一开放探究题“让贤”给学生,没想到第二天我收到了他们的多种分法,让我惊讶不已.下面将学生所给答 The title is shown in Figure 1. The quadrilateral ABCD is a parallelogram-shaped field, and M is a well. It is necessary to divide the field equally between two households, A and B. To facilitate water use, the well should be on the boundary. You draw a line of demarcation and give proof. At first glance, this question seems to have no way. The author gave this student the open inquiry question “Yeonxian”. I did not expect that I received their multiple points of law the next day. It surprised me. Here’s the answer