Răspuns:
cât = rest => 0,1,2,3,4,5,6 <7.
n:7 = 0 rest 0; n= 0
n:7 = 1 rest 1 ; n = 1*7+1 = 8
n:7 = 2 rest 2; n = 2*7+2 = 16
n:7 = 3 rest 3; n = 3*7+3 = 24
n:7 = 4 rest 4; n = 4*7+4 = 32
n:7 = 5 rest 5; n = 5*7+5 = 40
n:7 = 6 rest 6; n = 6*7+6 = 48
{0,8,16,24,32,40,48}
EVERGREEN
