arithmetically       
adverb uk/ˌær.ɪθˈmet.ɪ.kəl.i/ us/ˌer.ɪθˈmet̬.ɪ.kəl.i/
 算术上
in a way that involves adding, subtracting (= removing a number or amount), multiplying, or dividing numbers
  Students can attack the problem arithmetically. 学生可以用算术来解决这个问题。 
 Arithmetically, the presidential race remains close. 从算术上讲,总统竞选仍然很接近。 
 See: arithmetic
 - More examples
 - The interest rate can be arithmetically calculated.
 - The election defeat can be measured arithmetically, by lost votes and seats.
 - For those who are arithmetically challenged: $30.5 million over 2.5 years works out to more than $33,000 each day.