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本文给出与函数f(x)n均为常数,且b_i≥0有关的一些问题的简捷解法。其方法与步骤是,先作换元,然后改写为含有绝对值符号的一元一次函数,
In this paper, we give a simple solution to some problems related to the fact that function f(x)n is constant and b_i≥0. Its methods and steps are: first make a substitution, and then rewrite it as a one-time function with an absolute value sign,