Răspuns:
84 : 9 = 9 rest 3
9 × 9 + 3 = 81 + 3 = 84
28 : 3 = 9 rest 1
9 × 3 + 1 = 27 + 1 = 28
49 : 7 = 7
7 × 7 = 49
10 : 5 = 2
2 × 5 = 10
63 : 8 = 7 rest 7
7 × 8 + 7 = 56 + 7 = 63
37 : 6 = 6 rest 1
6 × 6 + 1 = 36 + 1 = 37
50 : 9 = 5 rest 5
5 × 9 + 5 = 45 + 5 = 50
29 : 4 = 7 rest 1
7 × 4 + 1 = 28 + 1 = 29