进入高一后,很多同学常常有这样一种感觉:听老师讲课什么都懂,什么都会,似乎没有什么问题;但一旦自己独立解题时,常常不知从何下手,似乎到处都是问题.这种情况是很正常的,不必惊慌.这其中一个重要的原因是初、高中内容在教学要求、教学内容的深度、题目的变化上存在很大的差异,而且高中数学的解题方法也 After entering high school, many classmates often have such a feeling: Listening to the teacher’s lectures all know everything and everything, it seems that there is no problem; but once they solve problems independently, they often do not know where to start, and it seems that there are problems everywhere. This kind of situation is normal and there is no need to panic. One of the important reasons for this is that there are great differences in the teaching requirements, the depth of the teaching content, and the changes in the topics of the contents of the primary and high schools, and the method of solving problems in high school mathematics is also