中学生数学

2013, (11) 38-40

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How to find the area under the graph of the function?
How to find the area under the graph of the function?

梁宇学;

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<正>It is easy to find the area of a rectangle or a triangle,even a polygon,which is found by dividing it into triangles then adding the areas of the triangles.However,how to find the area of the region R that is bounded below by the x-axis and above by the curve of f(x)is not an easy work because the region is without straight sides.However,the fundamental

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作者(Author): 梁宇学;

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