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等与不等是一对矛盾,从辩证法的角度看,它们在一定的条件下可以相互转化,有些数学题,如能利用重要不等式(或特殊不等式)取等号的条件求解,简洁、迅速、有独到之处,现分类说明如下:
Equivalence and inequality are a pair of contradictions. From a dialectical point of view, they can be transformed into each other under certain conditions. Some math problems can be solved simply and rapidly by using the conditions of equal signs for important inequalities (or special inequalities) Unique, now classified as follows: