Răspuns :
56 = 50 + 6
99 = 90 + 9
85 = 80 + 5
37 = 30 + 7
41 = 40 + 1
23 = 20 + 3
18 = 10 + 8
99 = 90 + 9
85 = 80 + 5
37 = 30 + 7
41 = 40 + 1
23 = 20 + 3
18 = 10 + 8