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《中小学数学》(初中版)2012年3月刊载了何韡老师的《也谈复合二次根式的化简》,笔者研读之后,颇受启发,但又发现有些经不起推敲,有失数学的严谨、慎密之处,特别是在我最崇拜的《中小学数学》(初中版)这样的刊物上出现了这样的疏忽,我不得不在此提出我的看法,以求教于同行,欢迎同行批评指正.第一个不足是原文中说“一个二重复合二次根式可以化简成简单二次根式,它的被开方数一定是一个
”Primary and secondary mathematics“ (junior high school edition) published in March 2012, He Qiu teacher ”also talk about compound secondary radical simplification“, after I studied, quite inspired, but found that some can not withstand scrutiny, loss Mathematically rigorous, cautious, especially in my most admired ”primary and secondary mathematics“ (junior high school version) such a publication of such negligence, I have to put forward my views here, in order to ask for advice in the same profession, welcome Peer criticism and correction. The first problem is that the original ”" A double complex quadratic root can be simplified into a simple quadratic root, its square must be a