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不等式对于中学数学是极其重要的,对于人教A版《数学2》(必修),除必修的重要不等式、基本不等式、不等式的解法外,《数学》(选修4-5)“不等式选讲”对学生提出了更高的要求,特别是不等式的证明,方法更具多样性。这些方法包含丰富的数学思想,若教师在教学过程中精选例题,一题多解,包含各种数学思想和方法,那么学生对知识的掌握就会融会贯通,也会收到事半功倍的效果。
Inequality is extremely important for secondary school mathematics. In addition to compulsory important inequalities, basic inequalities and inequalities, for people who teach A version of “Mathematics 2” (compulsory), “Mathematics” (Elective 4-5) "The students put forward higher requirements, especially the proof of inequality, the method is more diverse. These methods contain a wealth of mathematical ideas. If teachers select examples, solve multiple questions and contain various mathematical ideas and methods during the teaching process, the students’ mastery of knowledge will be integrated and the result will be multiplied.