解题犯低级错误,往往是审题“近视”而出现偏差;解法繁杂,常常是解题角度不好而陷入泥塘;无从下手或方法层次不高,往往是局限于表面而迷雾重重.因此,解数学题要有良好的视力、视角和视野.1视力——决定解题的效度看错题,南辕北辙,答非所问,解题自然无效.每次分发批改的试卷后,总有一些学生因审题失误丢分而懊悔.教学实践表明,通过指导学生撰写试卷分析报告,认真分析哪些题是会而不对,哪些 Solve the problem of low-level errors, often the trial problem “myopia ” and deviation; solution is complicated, often solving the problem is not good and fall into the mud; no start or method is not high, often confined to the surface and foggy. , Solving mathematics problems should have a good vision, perspective and vision.1 Visual acuity - determine the validity of problem solving True or false, diametrically opposed, the answer is naturally invalid.Each time after the distribution of the revised papers, there are always some students Deliberation mistakes and points lost and remorse teaching practice shows that by guiding students to write papers analysis report, a careful analysis of what questions will be wrong, which