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现行高中新教材引入平面向量的有关知识,为我们研究不等式的证明提供了一条新思路,新方法,使用起来很简捷.本文举例说明,以飨读者.
The introduction of the relevant knowledge of the plane vector in the current new high school textbooks provides a new way of thinking for us to study the inequality, and the new method is very simple to use. This article gives an example to the reader.