非負(fù)數(shù)就是正數(shù)和0對(duì)不對(duì)、非正數(shù)就是負(fù)數(shù)和0對(duì)嗎、0是最小的非負(fù)數(shù),大于0的數(shù)是正數(shù)對(duì)不對(duì)、非負(fù)數(shù)是正數(shù)和0對(duì)嗎、非負(fù)數(shù)包括0和正數(shù)對(duì)嗎、0是非負(fù)數(shù)還是非正數(shù)、0是非正數(shù)還是非負(fù)數(shù)、非正數(shù)就是負(fù)數(shù)和零對(duì)不對(duì)、非負(fù)數(shù)就是正數(shù)和零對(duì)不對(duì)、非負(fù)數(shù)就是正數(shù)這句話對(duì)不對(duì)、非負(fù)數(shù)包括正數(shù)和0對(duì)不對(duì)、非負(fù)數(shù)就是正數(shù)對(duì)不對(duì)、0是最小的非負(fù)數(shù)對(duì)不對(duì)、零既非正數(shù)也非負(fù)數(shù)對(duì)不對(duì)、非負(fù)數(shù)是指正數(shù)和0對(duì)嗎、正數(shù)又可稱為非負(fù)數(shù)對(duì)不對(duì)、0大于負(fù)數(shù)小于正數(shù)對(duì)不對(duì)、0既是正數(shù)也是負(fù)數(shù)對(duì)不對(duì)、為什么非負(fù)數(shù)就是正數(shù)和零是對(duì)的、正數(shù)又叫做非負(fù)數(shù)對(duì)不對(duì)、正數(shù)和非負(fù)數(shù)有什么不同?、非負(fù)數(shù)就是正數(shù)和零對(duì)嗎、0是正數(shù)和負(fù)數(shù)的分界對(duì)不對(duì)、0既不是正數(shù)也不是負(fù)數(shù)、0既不是負(fù)數(shù)也不是正數(shù)對(duì)嗎、正數(shù)和零統(tǒng)稱為非負(fù)數(shù)對(duì)嗎、正數(shù)前面加上負(fù)號(hào)就是負(fù)數(shù)對(duì)不對(duì)、零是最小的非負(fù)數(shù)對(duì)不對(duì)、非負(fù)數(shù)的相反數(shù)是非正數(shù)對(duì)嗎、非負(fù)數(shù)是不是正數(shù)、0既不是正數(shù),也不是負(fù)數(shù)、0是不是非負(fù)數(shù)、0既不是正數(shù)也不是負(fù)數(shù)但是整數(shù)對(duì)嗎、有理數(shù)分為正數(shù)負(fù)數(shù)和0對(duì)不對(duì)、0是不是正數(shù)還是負(fù)數(shù)、正數(shù)前加負(fù)號(hào)就是負(fù)數(shù)對(duì)不對(duì)、若幾個(gè)非負(fù)數(shù)的和為0,則每個(gè)非負(fù)數(shù)、有理數(shù)中不是負(fù)數(shù)就是正數(shù)對(duì)不對(duì)、0不是正數(shù)也不是負(fù)數(shù)對(duì)不對(duì)、0是正數(shù)也是負(fù)數(shù)對(duì)不對(duì)、0即不是正數(shù)也不是負(fù)數(shù)嗎、0既不是正數(shù)也不是負(fù)數(shù)嗎、0既不是正數(shù)也不是負(fù)數(shù)對(duì)不對(duì)、非負(fù)數(shù)就是正數(shù)和零、非正數(shù)就是負(fù)數(shù)和零、零既是正數(shù)又是負(fù)數(shù)對(duì)不對(duì)、常數(shù)a既是正數(shù)也是負(fù)數(shù)對(duì)不對(duì)、幾個(gè)非負(fù)數(shù)的和等于0則每個(gè)非負(fù)數(shù)、0為什么既不是正數(shù)也不是負(fù)數(shù)、為什么0既不是正數(shù)也不是負(fù)數(shù)、一個(gè)無理數(shù)不是正數(shù)就是負(fù)數(shù)對(duì)嗎、