您要查找的是不是：
- Pell數Pell numbers
- 數to count
- Pell級數Pell series
- 行數linage
- 頁(yè)數pagination
- Pell方程Pell equation
- 有數know exactly about sth.
- pell議程Pell equation
- 數位digital
- Pell多項式Pell Polynomials
- 數個(gè)couple
- Pell方程組Pell equations
- 為數amount to
- Pell方程理論the theory of Equation
- 可數名詞countable
- 聯(lián)立Pell方程Simultaneous Pell equations
- 份數umber
- 聯(lián)立Pell方程組Simultaneous Pell equations
- 數數spillikin
- 廣義伴隨Pell數列的平方類(lèi)Square Classes of Generalized Companion Pell Sequences
