Question

Suma a cinci nr naturale consecutive se imparte la 21 si se obtine catul 9 si restul 6. Determinati cele cinci nr.

Answer 1

Nr consecutive sunt: x,x+1,x+2,x+3,x+4 (x+x+1+x+2+x+3+x+4):21=9 rest 6 5x+10=21x9+6 5x+10=195 5x=185 x=37 numerele sunt: 37,38,39,40,41