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符号是一种印记和标号,在物理试题中,常用这些符号,这种符号就是为了区别于文字,特别设置的特殊符号,每个特殊符号都含有一定意义.它的特点是简洁、明了、准确,可以促进学生的解题思维的发展.但很多学生在实际操作中没有真正领悟到符号对解题的作用,造成诸多错误,比如符号选择错误、符号使用错误、符号标记错误……从而使学生直接解错题或者由于逻辑错误使解题没有方向,所以教师有必要在物理试题
Symbol is a mark and label, in physics questions, these symbols commonly used, this symbol is different from the text, special set of special symbols, each special symbol has a certain meaning.It is characterized by concise, clear and accurate , Can promote the development of students’ problem-solving thinking.However, many students do not really understand the role of symbols in solving problems in practice, resulting in many mistakes, such as wrong choice of symbols, wrong use of symbols, wrong markup of symbols, Directly solve the problem or because of logical errors to solve the problem there is no direction, so teachers need to physical examination