论文部分内容阅读
求解平面图形的面积,最原始、最基本的方法是利用一般图形的面积公式.但在求某些图形的面积时,我们很难用公式直接或间接地进行计算,那
The most primitive and basic way to solve the area of a flat graph is to use the area formula of a general graph, but it is hard to calculate directly or indirectly with some formulas when calculating the area of some graph