大多数学生感觉八年级数学比较难,主要是因为他们被几何中的需添辅助线的题目难住了.其实若把握好了辅助线的添加方法,就会感觉几何题更有趣.笔者认为,解题的关键是:捕风——要善于审题,为便于观察,在图形中标明,已知及隐含条件,并且要能适当的联想;捉影——要善于观察图形,能从复杂图 Most students feel eighth grade mathematics more difficult, mainly because they are Tim geometry need to add auxiliary line stuttering .In fact, if you grasp the auxiliary line to add methods, you will feel geometric problems more interesting in my opinion, The key is to solve the problem: to catch the wind - to be good at examining questions, in order to facilitate the observation, marked in the graphic, known and implied conditions, and to be able to associate properly; capture video - to be good at observing graphics,