addition [i qd7.qn ]     (순위: 1120 - 중2 수준)   뜻  부가,첨가,덧셈 Mean  The act or process of adding, especially the process of computing with sets of numbers so as to find their sum. 파생어 add  [동] additional  [형] 예문 1. easy additions (쉬운 덧셈)