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近年来,各地中考中的行程应用题已改变了传统的模式,它用函数图象代替原来的文字叙述来表示已知条件.解决这类问题的关键是要正确处理好图象上的一些特殊点的坐标与行程问题中的对应量之间的相互转化.现以
In recent years, the itinerary in local examinations has changed the traditional model. It uses functional images instead of the original narratives to represent the known conditions. The key to solving these problems is to correctly handle some special images. The mutual transformation between the coordinates of points and the corresponding quantities in the itinerary problem.