Exercice 1
60 × 4 = 240
100 × 10 = 1 000
110 × 3 = 330
7 × 90 = 630
5 × 4 000 = 20 000
300 × 8 = 2 400
4 × 100 = 400
5 000 × 2 = 10 000
9 × 10 000 = 90 000
110 × 8 = 880
100 × 8 = 800
20 × 2 = 40
4 × 100 = 400
300 × 9 = 2 700
60 × 10 = 600
70 × 2 = 140
7 000 × 11 = 77 000
800 × 5 = 4 000
3 × 400 = 1 200
2 × 2 000 = 4 000
Exercice 2
