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文[1]分别从退一步、转视角、借数感、缜推演四个方面,阐述数学中考压轴题的解题策略,笔者拜读后受益匪浅.现结合笔者在教学实践中积累的经验,谈谈“极端化策略”在解题中的一些做法,以与同行交流.1用“极端化策略”法探求函数关系中的变化规律对动点产生的图形和图象的函数关系式问题,有时考虑极端情形,如量的最大、最小,图形特殊位置或临界位置等,
This paper elaborates the problem-solving strategies of math test in four aspects: taking one step back, turning point of view, borrowing feeling and thinking pushing performance respectively, and then I benefit greatly from it.According to the author’s experience in teaching practice, Talk about some of the “extreme strategies” in the problem-solving in order to exchange with counterparts .1 using “extreme strategy ” method to explore the law of variation in the relationship between the function of the graphics and images generated by the moving point Relationship problems, and sometimes consider the extreme cases, such as the amount of the largest, smallest, special graphics position or critical position, etc.,