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物理习题数量众多,千变万化,但大多数习题源于课本,是课本例、习题的变形与拓展,因此,学生在学习中应能举一反三,触类旁通,提高解题能力,现以高中物理读本第70页上的一道习题为例介绍如下。
The number of physical exercises is numerous and ever-changing, but most of the exercises originate from the textbooks. This is the case of textbooks and the deformation and development of exercises. Therefore, students should be able to learn the same lesson by learning from the others and improve their ability to solve problems. On an exercise example as follows.