👤
Vilmaristul
a fost răspuns

calculati 9+99+999+9999+99999
calculati 9+99+999+........................999.........99+2012
(2011 cifre)

Răspuns :

Dvddlslsld
999...9..99 + 2012 ( 9999.999.... 9 ) = 999+9999+9