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构造函数证明不等式是不等式证明的重要方法,但直接构造往往不能奏效,需要重新构造函数。探讨等价重构、缩放重构、整体重构和再次重构等四种技巧。
Constructors prove that inequalities are an important way to prove inequalities, but direct constructs often fail to work and require reconstruction of the function. Explore the equivalent reconstruction, scaling reconstruction, the overall reconstruction and re-reconstruction of four kinds of skills.