资料来源 : pyDict

用算术方法

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Arithmetically \Ar`ith*met"ic*al*ly\, adv.
   Conformably to the principles or methods of arithmetic.

资料来源 : WordNet®

arithmetically
     adv : with respect to arithmetic; "this problem is arithmetically
           easy"