a : 7 = c r ( c = 2 × r ; r < 7 ; a > 7)
a = 7 × c + r
a = 14 ×r+ r
a = 15 × r
avand r = {1; 2; 3; 4; 5; 6}
atunci: a = { 15; 30; 45; 60; 75; 90}
15 : 7 = 2 rest 1
30 : 7 = 4 rest 2
45 : 7 = 6 rest 3
60 : 7 = 8 rest 4
75 : 7 = 10 rest 5
90 : 7 = 12 rest 6
Sper ca te-am ajutat!
