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换元法作为一种重要的数学方法,在求解数学中的某些问题时可以找到解答的简捷途径,收到事半功倍的效果。本文将从因式分解、不等式证明和求值问题这三个方面来研究换元法在数学解题中的巧妙应用。
As an important mathematical method, the metamorphosis method can find a simple solution to some problems in mathematics and receive a multiplier effect. This article will study the clever application of the metamorphosis method in solving mathematical problems from three aspects: factorization, proof of inequality and evaluation.