# Doing math homework

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## The Best Doing math homework

Doing math homework is a mathematical tool that helps to solve math equations. That is to say, learning mathematics is to apply mathematics, which is precisely the weak link of our students. It is not difficult for students to master mathematical knowledge, but to flexibly use what they have learned to solve practical problems. For example, we have neglected the training of students' hands-on operation in ordinary teaching. We have not carried out enough practical activities, and the training of hands-on operation ability needs to be strengthened..

It is also a good way to teach and learn mathematics. Learning to solve in this way can exercise one's mathematical ability and is also a good way to solve some difficult problems. This also means that God does not know whether the answers to many mathematical problems exist. Because the problem of solving indefinite equations is only a small part of mathematical problems, there are far more problems that can not be judged whether there are solutions in reality than those with answers. It is impossible to solve problems that can not even be judged whether the answer exists or not by calculation.

I will skip a paragraph here. At that time, I only noticed dovydov's algebra book, which cleverly used elementary methods (that is, without calculus) to solve the maximum and minimum problems. For example, it is known that the sum of positive numbers a and B is a constant value, and the maximum value of its product AB is obtained; Given the perimeter of the rectangle, find the maximum value of its area; Given a square, if four small squares are cut off from the four corners of the square and the rest are made into a box, what size of small square should be cut off to maximize the volume of the box?.

Determine the function according to the relationship between the function and its change rate. Make simple assumptions according to the modeling purpose and problem analysis. Establish differential equations according to internal laws or by analogy..