面積為2的正方形對(duì)角線的長(zhǎng)是A.整數(shù)B.分?jǐn)?shù)C.小數(shù)D.無(wú)理數(shù)

字號(hào):


    問(wèn)題補(bǔ)充:?jiǎn)芜x題 面積為2的正方形對(duì)角線的長(zhǎng)是?
    A.整數(shù)
    B.分?jǐn)?shù)
    C.小數(shù)
    D.無(wú)理數(shù)
    答案:A