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一、数形结合思想数形结合的思想是指在研究问题的过程中,由数思形或由形思数,把数和形结合起来分析问题的思想.本章在列方程解应用题时常采
First, the combination of a few figures with the idea of thinking The idea is the number of thinking in the process of research, or by the number of thinking, the number and shape of the idea of combining the analysis of the problem.