正數(shù)都大于零,零大于負(fù)數(shù),正數(shù)大于負(fù)數(shù),兩個(gè)正數(shù)絕對(duì)值大的數(shù)大,兩個(gè)負(fù)數(shù)絕對(duì)值小的數(shù)大.有理數(shù)大小的本質(zhì)是在數(shù)軸上的順序性.兩個(gè)數(shù)的表示點(diǎn),右邊的點(diǎn)代表的數(shù)較大. (本文共 81 字 ) [閱讀本文] >>
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 正數(shù)都大于零,零大于負(fù)數(shù),正數(shù)大于負(fù)數(shù),兩個(gè)正數(shù)絕對(duì)值大的數(shù)大,兩個(gè)負(fù)數(shù)絕對(duì)值小的數(shù)大.有理數(shù)大小的本質(zhì)是在數(shù)軸上的順序性.兩個(gè)數(shù)的表示點(diǎn),右邊的點(diǎn)代表的數(shù)較大. (本文共 81 字 ) [閱讀本文] >>