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分式方程的一般解题思路是:把分式方程“转化”为整式方程。转化的方法有去分母法,即用各分式的最简公分母去乘方程的两边;对于某些特殊形式的分式方程,还可用换元法来解。下面仅就一类特殊形式分式方程的解法予以阐述,供参考。
The general problem-solving idea of fractional equations is: “Transform” fractional equations into integral equations. The method of conversion has de-denominator method, that is to use the simplest common denominator of each fraction to multiply the two sides of the equation; for some special forms of fractional equations, it can also be solved by using the substitution method. In the following, only the solution of a special type of fractional equation is described for reference.