Exercice 1
65 × 100 = 6 500
842 × 10 = 8 420
61 × 10 = 610
10 × 992 = 9 920
10 × 586 = 5 860
10 × 603 = 6 030
100 × 731 = 73 100
10 × 491 = 4 910
380 × 10 = 3 800
10 × 129 = 1 290
49 × 5 = 245
16 × 5 = 80
87 × 5 = 435
5 × 58 = 290
5 × 72 = 360
71 × 5 = 355
5 × 71 = 355
49 × 5 = 245
86 × 5 = 430
5 × 63 = 315
Exercice 2
Complète pour avoir des fractions équivalentes :