Răspuns :
a - b = 7518
a : b = 4
a = 4 * b
4b - b = 7518
3b = 7518
b = 7518 : 3
b = 2506
a = 4 * 2506
a = 10024
a : b = 4
a = 4 * b
4b - b = 7518
3b = 7518
b = 7518 : 3
b = 2506
a = 4 * 2506
a = 10024
a |-----|-----|-----|-----|
b |-----|
7518 : 3 = 2506 (b)
2506 x 4 = 10024 (a)
V : 10024 - 2506 = 7518.
b |-----|
7518 : 3 = 2506 (b)
2506 x 4 = 10024 (a)
V : 10024 - 2506 = 7518.