graded algebra

例句：

1. 1. In this course, we will learn to solve graded algebra problems step by step.
   在这门课程中，我们将逐步学习解决分级代数问题。
2. 2.The teacher explained the concept of graded algebra in detail.
   老师详细解释了分级代数的概念。
3. 3. Graded algebra is a challenging subject that requires careful attention and practice.
   分级代数是一门挑战性很强的学科，需要仔细关注和练习。