SOLUTION EXERCICE N°9
7 248 = (7x 1000) + (2 x 100) + (4 x 10) + 8

12 048 = (1x 10 000) + (2 x 1000) + (4 x 10) + 8

104 627 =(1x 100 000) + (4 x 1000) + (6 x 100) +(2 x 10) + 7