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这些年通过对高考题的分析,计算题成为必考题,然而教材中关于计算的内容少之又少,有的根本没有。面对这样的情况,政治教师只能各显神通根据自己的教学实践总结一些经验,例如:在做价值量、汇率、币值等题时,我们经常用“加减乘除法”。“加”即增加用加法;“减”即减少或降低用减法;“乘”即两者之间是正
Through the analysis of the college entrance examination papers in these years, the calculation questions become a compulsory examination questions, however, the contents of the teaching materials are few and far between, and some simply do not. Faced with such a situation, political teachers can only superficial knowledge of their own teaching practice to sum up some experience, for example: in the value volume, exchange rate, currency and other issues, we often use “addition, subtraction, multiplication and division ”. “Plus ” means adding; “minus ” means decreasing or decreasing using subtraction; “multiplying ” means that the two are positive