Răspuns :
3047 + 6 x 8 - a = 1799
3047 + 48 - a = 1799
3095 - a = 1799
a = 3095 - 1799
a = 1296.
3047 + 48 - a = 1799
3095 - a = 1799
a = 3095 - 1799
a = 1296.
3047+6x8-a=1799
3047+48-a=1799
a=3095-1799
a=1296
verificare
3047+6x8-1296=1799
3047+48-a=1799
a=3095-1799
a=1296
verificare
3047+6x8-1296=1799