Mathematics is widely used in life. For example, you need to add, subtract, multiply and divide when shopping, and you need to plan when building a house. In addition, the smooth connection between the straight track and the curved track of the sports field; Calculation of building height that cannot be directly measured; There are countless problems such as the determination of the starting point of tunnel two-way operation; Mathematics is also very important in statistics and is closely related to life. It can even be used to avoid epidemics or reduce their effects. In the field of art, mathematics is still everywhere. Music, painting, sculpture ... all kinds of arts are helped by mathematics in one way or another. In our daily life, many problems can be analyzed with the knowledge of mathematics and thus solved.

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