_Nom._ duo duae duo
_Gen._ duōrum duārum duōrum
_Dat._ duōbus duābus duōbus
_Acc._ duōs, duo duās duo
_Abl._ duōbus duābus duōbus

a. So ambō, _both_, except that its final o is long.

3. Trēs is declined,--

_Nom._ trēs tria
_Gen._ trium trium
_Dat._ tribus tribus
_Acc._ trēs (trīs) tria
_Abl._ tribus tribus

4. The hundreds (except centum) are declined like the Plural of bonus.

5. MÄ«lle is regularly an adjective in the Singular, and indeclinable. In
the Plural it is a substantive (followed by the Genitive of the objects
enumerated; § 201, 1), and is declined,--

_Nom._ mīlia _Acc._ mīlia
_Gen._ mīlium _Voc._ mīlia
_Dat._ mīlibus _Abl._ mīlibus

Thus mīlle hominēs, _a thousand men_; but duo mīlia hominum, _two thousand
men_, literally _two thousands of men_.

a. Occasionally the Singular admits the Genitive construction; as, mīlle