一、知识要点1．代数式、有理或、无理或、整式、分式、根式的概念．2．代数式的分类．3．列代数式的方法．4．单项式的定义及其系数和次数．5．多项式的定义及其项政和次数．6．同类项的定义及合并同类项．7整政的运算．8来法公式：二、解题指导例1填空：，无理式是，单项式是 First, knowledge points 1. Algebraic, rational or irrational or, integral, fractional, root-like concepts. 2. Algebraic classification. 3. Column algebraic approach. 4. The definition of the monomial and its coefficients and times. 5. The definition of polynomials and their terms and times. 6. The definition of similar items and the merger of similar items. 7 Operation of rectification. 8 to France Formula: Second, the problem-solving guide Example 1 Fill in the blank:, irrational is, the monomial is