54 ÷ 3 = 18
proba : 18 × 3 = 54
82 ÷ 5 = 16 rest 2
proba :16 × 5 + 2 = 82
38 ÷ 7 = 5 rest 3
proba 7 × 5 + 3 = 38
16 ÷ 3 = 5 rest 1
proba : 3 × 5 + 1 = 16
98 ÷ 5 = 19 rest 3
proba : 5 ×19 + 3 = 98
86 ÷ 4 = 21 rest 2
proba : 4 × 21 + 2 = 86
73 ÷ 2 = 36 rest 1
proba : 2 × 36 + 1 = 73
85 ÷ 4 = 21 rest 1
proba : 4 × 21 + 1