数学学习强调经历学习过程,注重学习的探究与合作.一题多解、一题多证能够很好地体现学生在学习过程中的自主探究,有利于培养学生思维的广阔性,对学生数学思维的灵活性、敏捷性的培养也是有好处的.下面是今年的一道江苏高考题.题目如图1,在平面直角坐标系xOy Mathematics learning emphasizes experiencing learning process, focusing on learning to explore and cooperation.A multi-solution, a question and more evidence can well reflect the students in the learning process of self-exploration, is conducive to cultivating the broad thinking of students, mathematical thinking of students Flexibility, agility training is also beneficial. Here is a Jiangsu college entrance examination this year. Subjects shown in Figure 1, Cartesian coordinate system in the plane xOy