考點：奇數(shù)與偶數(shù)的初步認識
專題：數(shù)的整除
分析：根據(jù)奇數(shù)與偶數(shù)的意義，是2的倍數(shù)的數(shù)叫做偶數(shù)；不是2的倍數(shù)的數(shù)叫做奇數(shù)；由此解答．
解答：
解：根據(jù)奇數(shù)與偶數(shù)的意義，偶數(shù)+偶數(shù)=偶數(shù)，奇數(shù)+奇數(shù)=偶數(shù)；偶數(shù)+奇數(shù)=奇數(shù)．
故答案為：偶數(shù)；偶數(shù)；奇數(shù)．
點評：此題主要考查偶數(shù)與奇數(shù)的意義，理解和掌握奇數(shù)與偶數(shù)的意義，解決與此有關的問題．
