但是，现在仅仅是求面积。
是关于复化梯形积分的程序，在这里我们可以实现对你需要的梯形求面积。
Minute of trapezoidal integration of the procedure, here we can achieve right you...
给出一个平面上的区域，求它的面积。
I give you some region in the plane and you want to know just its area.
本文用计算器计算的方法代替作图，求算面积，可提高效率和精度。
Using computer to calculate forest base area instead of drawing can raise efficiency and precision.
我们留的作业是求几何体横截面的面积。
Our homework is figuring out the area of the cross section of a solid.
我们留的作业是求几何体横截面的面积。
Our homework is figuring out the area of the cross section of a solid.
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