No difference, both are same.
Uno one
Un, or uno, or one.... Un is French. Uno is Spanish. And one is english is case you didn't know.
UNO does not exist from long ago. Write just UN
un = a un libro = a book un moto = a motorcycle un = a una = a OR one uno = ONE (not "A") ^trueee (:
Uno
uno
1890
The cast of Uno e un altro - 1997 includes: Michele De Virgilio Nicola Scorza
One...Uno...Un
Analyse:From 21 to 29 they have the root "veinti-" + the number in Spanish . They are written in one word:20 veinte21 veintiuno (with no masculine noun in plural) / veintiún ( used with a plural noun in both genders)22 veintidós23 veintitrés24 veinticuatro25 veinticinco26 veintiséis27 veintisiete28 veintiocho29 veintinueve...From 30 to 99 they are written:30 treinta31 treinta y uno / un (same use as "veintiuno / veintiún")32 treinta y dos...40 cuarenta41 cuarenta y uno / un...50 cincuenta51 cincuenta y uno / un...60 sesenta61 sesenta y uno / un...70 setenta71 setenta y uno / un...80 ochenta81 ochenta y uno / un...90 noventa91 noventa y uno / un92 noventa y dos...99 noventa y nueve.
French : Un, Une Latin : unus Spanish : uno, una Portuguese : um, uma German : Eins Welsh : un Greek : ena Hebrew: ekhad (אחד) Persian: Yek Arabic: wahad