"查查詞典"手機(jī)版
千萬(wàn)人都在用的超大詞匯詞典翻譯APP
In number theory, the specialty additive number theory studies subsets of integers and their behavior under addition. More abstractly, the field of "additive number theory" includes the study of Abelian groups and commutative semigroups with an operation of addition.
詳細(xì)百科解釋