积分是高等数学中一种基本的运算，计算方法多种多样。在某些积分的计算中，可以巧妙的利用积分区间、积分区域的对称性和被积函数的奇偶性等特点使积分问题得到巧妙的解决。本文以一元函数、二元函数为例讨论了对称性在积分中的应用，同时也让我们体会到了数学中的对称美。%Integral is a basic operation in higher Mathematics,and the method of calculation is various. In some calculations of integral,the integral problems can be solved skillfully by the symmetry of integral interval and the parity of integrand. In this paper,taking unary function,function of two variables as the examples,the appli-cation of symmetry in integral are the beauty of symmetry in Mathematics are discussed.
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