Exercice 1
82 + 49 = 131
40 : 10 = 4
6 × 7 = 42
99 – 59 = 40
77 – 29 = 48
80 – 41 = 39
78 + 16 = 94
20 : 5 = 4
89 + 69 = 158
15 + 99 = 114
75 – 49 = 26
99 – 51 = 48
90 – 34 = 56
2 × 10 = 20
36 : 4 = 9
25 : 5 = 5
6 × 7 = 42
3 × 3 = 9
6 × 9 = 54
56 – 14 = 42