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利用方程思想解题是一种重要的数学方法.本文用列方程组来解决一类关于几何图形面积的问题.一般步骤是先用多个未知量表示图中各部分的面积,然后利用图形的拼凑组合布列方程组,最后解方程组得出各部分的面积.
The use of equations to solve problems is an important mathematical method. This paper uses a system of equations to solve a class of problems concerning the area of the geometry. The general step is to use multiple unknowns to represent the area of each part of the graph, and then use the graph’s The patch equations were put together, and finally the equations were solved to find the area of each part.