转化与化归,既是一种数学思想,也是一种数学方法,更是一种数学能力,是高考考查的一个重点.创新型试题从知识方面而言,考查知识上的相互联系,从方法上而言,考查方法上的相互转化,正因为这一特点,在解题时,转化的思想与方法得到了充分的展示与运用, Conversion and return, both a mathematical thinking, but also a mathematical method, but also a mathematical ability, is a key point in the college entrance examination.Experimental questions from the knowledge aspect, the knowledge of the interrelated, from the method In terms of examining the method of mutual transformation, precisely because of this feature, in solving problems, the ideas and methods of conversion have been fully demonstrated and applied,