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解读近两年各地数学中考试题,可归纳《分式》的主要题型有: 一、概念性质型例1 如果分式|x|-x/x2-3x+2的值为零。那么x 等于( ) A.-1 B.1 C.-1或1 D.1或2 例2 下列各式从左到右变形正确的是( )
Interpretation of the exam questions in mathematics around the world in the past two years can be summed up in the “Fractal” of the main questions are: First, the conceptual nature of the type of case 1 If fractional value |x|-x/x2-3x+2 is zero. Then x is equal to () A.-1 B.1 C.-1 or 1 D.1 or 2 Case 2 The following equations are correct from left to right ()