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数形结合.一是对于仅含有数和式的问题,借“形”去观察、解决;二是将“形”的问题转化为数量关系分析.本文举8例,讲如何借“形”.
Combination of numbers and shapes. First, for the problem that only contains the formula of number and sum, to observe and solve by “form”; second is to convert the problem of “shape” into the analysis of quantity relationship. This article gives 8 cases and talks about how to use “shape”.