他对方法的普遍兴趣和他对代数的专门知识组成联合力量.Here his general interest in method and his particular knowledge of algebra joined forces.用代数的方法来表现这个过程,就更容易说明平均数是如何求得的.It is much easier to indicate how to find the mean by expressing the proce...

“代数的”的英语可以翻译为：algebraic ...