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在高中阶段,数学知识相对于其他科目的知识比较困难。数学题具有一定的综合性,几乎每道题都会运用以前的知识点,但就是因为数学学习的这种特点,数学问题的解决对学生来说非常困难,有时候即使了解了很多知识点,也无法正确解决数学问题,久而久之,容易让学生产生一些不自信的心理,影响学生对数学知识的掌握。为了解决这些问题,提高学生对数学知识的学习能力和灵活运用知识的能力,笔者总结了高中数学三角函数、比值代换、变量代换等经典代换方式来解决数学问题,以提高学生的数学能力。
In high school, math knowledge is more difficult than other subjects. Math questions have a certain degree of comprehensiveness. Almost every question uses the previous knowledge points. However, because of this characteristic of maths learning, solving mathematical problems is very difficult for students. Sometimes even knowing a lot of knowledge points Mathematical problems can not be correctly solved, as time passes, it is easy for students to produce some psychological confusion, affecting students mastery of mathematical knowledge. In order to solve these problems and enhance students ’abilities to learn math knowledge and to apply knowledge flexibly, the author sums up the classical math problems of high school math trigonometry, ratio substitution, variable substitution and so on, in order to improve students’ mathematics ability.