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说起预习,同学们可能并不陌生。预习能使我们对书本上的新知识有所了解,以便在听课中得到及时的检验、加强或矫正,有利于提高我们的学习能力和养成自学的习惯,从而提高听课效率。预习数学时,首先,把教科书上的例题看一看、读一读,知道要讲些什么,要解决什么问题,采取了什么方法,重点、关键在哪里;其次,把答案遮住,再阅读,再思考,自己把思路理一理;再次,在纸上写出答案;最后,把自己得出的答案与书上的正确答案对一对,看看是对还是错。如果错了,按照书上告诉我们的方法,重做一遍。遇到不懂的问题要写在本子上,隔天到学校问老师或同学,或在家里问家长。在时间的安排上,预习一般
Speaking of preview, the students may not be familiar with. Pre-examination can make us understand the new knowledge in the book, in order to be promptly tested in the lectures, strengthen or correct, help to improve our learning ability and develop self-learning habits, thereby enhancing the efficiency of lectures. When preparing a math course, first of all, take a look at the examples in the textbooks, read them, know what to say, what problems to solve, what methods are used, what are the key points, and where is the key; secondly, cover the answers and read them again , Think again, think rationally; once again, write out the answer on paper; finally, the answer that oneself draws and the right answer on the book pair, see if it is right or wrong. If wrong, follow the instructions on the book and redo it. Encountered do not understand the problem to be written in the book, the next day to ask the teacher or classmates at school, or ask parents at home. In the arrangement of time, preview in general