代数学的

例句：

1. 1. Mathematics is a subject that deals with numbers and their properties.
   数学是一门研究数字及其性质的学科。
2. 2. Algebra is a branch of mathematics that deals with equations and their solutions.
   代数是数学的一个分支，研究方程及其解。
3. 3. In mathematics, we use symbols to represent unknown quantities instead of writing down the entire equation.
   在数学中，我们使用符号来表示未知量，而不是写下整个方程。