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众所周知,函数与导数、不等式等知识的交汇是高考试题中的难点,也是热点,是高考试题以能力为宗旨的有效载体与重要体现,具有较好的甄别功能.近几年,课本中的一对孪生不等式每年都出现在这类高考试题中,它们看似平淡无奇,但精彩分呈,看似简单却应用中彰显能力.下面笔者例举这对孪生不等式在近几届高考试题中的应用,让大家一起来感受它的
It is well-known that the intersection of function and derivative, inequality and other knowledge is a difficult point in the college entrance examination test, which is also a hot spot. It is an effective carrier and an important manifestation of the college entrance examination exam ability for the purpose of having a good screening function.In recent years, The twin inequalities appear in such college entrance exam questions every year, they seem insipid, but the wonderful points presented, seemingly simple but the ability to demonstrate the application of the following I illustrate this twin inequality in recent college entrance examination papers in the Application, let everyone feel it together