论文部分内容阅读
2012年的中考已经落下大幕,自选数求值问题成为今年分式考题的杰出新秀.通过以下的例题介绍自选数求值问题.1明确外显自选数,化简后求值例1(2012年六盘水)先化简代数式
2012 senior high school entrance exam has fallen off the curtain, the number of self-selection problem became the outstanding rookie of this year’s fractional exam questions. Through the following example describes the choice of the number of self-selection problems. Year Liupanshui) First simplified algebraic