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三角形、矩形等的面积概念和公式运用范围极其广泛.那么面积在中学数学中到底起到多大的作用?不少人可能认为:面积不过是一个概念,其公式只是用来计算出图形的面积;还有人可能认为:面积可以作为一种技巧解决一些问题,不过用其它的方法也能解决,况且用其它方
Areas such as triangles, rectangles, etc., have an extremely wide range of concepts and formulas that can be used in secondary school mathematics. Many people may think that area is nothing more than a concept whose formula is only used to calculate the area of the figure, Still others may think: Area can be used as a trick to solve some problems, but can be solved by other methods, besides using other parties