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等差数列是高中重要知识点之一,在许多题目中,若能根据题目的题设条件(或隐含)的特征,构造等差中项,可使问题得到快速解决,下面对08高考题举例赏析构造等差中项求最值问题.
One of the most important knowledge points in high school is the arithmetic progression. In many subjects, if we construct the arithmetic terms according to the conditions (or implicit) of the questions, the problem can be solved quickly. Excerpts Example Appreciation Construct equal-difference terms for the most value problem.