算术的

例句：

1. 1. He was good at solving math problems.
   他擅长解决数学问题。
2. 2.The teacher explained the concept of arithmetic to the students.
   老师向学生们解释了算术的概念。
3. 3. Arithmetic is an essential part of any mathematical study.
   算术是任何数学学习中不可或缺的一部分。